Track Free for Dev Updates Daily

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

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[ Daily / Weekly / Overview ]

Nov 21, 2024

APIs, Data, and ML

• GoCardless — Free open banking data API. PSD2. Connect 2300+ banks with your app/software in EU+UK.

Nov 18, 2024

APIs, Data, and ML

• Composio - Integration platform for AI Agents and LLMs. Integrate over 200+ tools across the agentic internet.

Nov 16, 2024

Code Quality

• coderabbit.ai — AI-powered code review tool that integrates with GitHub/GitLab. Free tier includes 200 files/hour, 3 reviews per hour, and 50 conversations/hour. Free forever for open source projects.

Nov 14, 2024

Monitoring

• UptimeObserver.com - Get 20 uptime monitors with 5-minute intervals and a customizable status page—even for commercial use. Enjoy unlimited, real-time notifications via email and Telegram. No credit card needed to get started.

Nov 12, 2024

APIs, Data, and ML

• Mintlify — Modern standard for API documentation. Beautiful and easy-to-maintain UI components, in-app search, and interactive playground. Free for 1 editor.

• Sqlable - A collection of free online SQL tools, including an SQL formatter and validator, SQL regex tester, fake data generator, and interactive database playgrounds.

CI and CD

• cirun.io - Free for public GitHub repositories

• Terramate - Terramate is an orchestration and management platform for Infrastructure as Code (IaC) tools such as Terraform, OpenTofu, and Terragrunt. Free up to 2 users including all features.

Monitoring

• OntarioNet.ca CN Test — Check if a website is blocked in China by the Great Firewall. It identifies DNS pollution by comparing DNS results and ASN information detected by servers in China versus servers in the United States.

Oct 31, 2024

Generative AI

• Pollinations.AI - easy-to-use, free image generation AI with free API available. No signups or API keys required, and several option for integrating into a website or workflow. #opensource (⭐315)

Oct 30, 2024

Artifact Repos

• RepoForge - Private cloud-hosted repository for Python, Debian, NPM packages and Docker registries. Free plan for open source/public projects.

Oct 28, 2024

IDE and Code Editing

• Zed - Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Oct 24, 2024

APIs, Data, and ML

• Multi-Exit IP Address Checker — A free and simple tool to check your exit IP address across multiple nodes and understand how your IP appears to different global regions and services. Useful for testing rule-based DNS splitting tools such as Control D.

Oct 22, 2024

Education and Career Development

• LabEx - Develop skills in Linux, DevOps, Cybersecurity, Programming, Data Science, and more through interactive labs and real-world projects.

Font

• Fontsensei Opensourced Google fonts tagged by users. With CJK (Chinese,Japanese,Korean) font tags.

Oct 21, 2024

Design Inspiration

• Uiland Design - [Mobile screenshots] Explore Mobile and Web UI Designs from Leading Companies in Africa and the world.

Oct 14, 2024

Issue Tracking and Project Management

• Crosswork - Versatile project management platform. Free for up to 3 projects, unlimited users, 1 GB storage.

IDE and Code Editing

• GetVM — Instant free Linux and IDEs chrome sidebar. The free tier includes 5 VMs per day.

Oct 10, 2024

Generative AI

• Langfuse - Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. Free forever plan includes 50k observations per month and all platform features. #opensource (⭐6.4k)

Oct 07, 2024

APIs, Data, and ML

• Treblle - Treblle helps teams build, ship, and govern APIs. With advanced API log aggregation, observability, docs, and debugging. You get all features for free, but there is a limit of up to 250k requests per month on the free tier.

Oct 03, 2024

Design and UI

• Flyon UI- The Easiest Components Library For Tailwind CSS.

Oct 01, 2024

APIs, Data, and ML

• JSONing — Create a fake REST API from a JSON object, and customize HTTP status codes, headers, and response bodies.

Sep 29, 2024

Generative AI

• Comet Opik - Evaluate, test, and ship LLM applications across your dev and production lifecycles.

Low-code Platform

• lil'bots - write and run scripts online utlizing free built-in APIs like OpenAI, Anthropic, Firecrawl and others. Great for building AI agents / internal tooling and sharing with team. Free-tier includes full access to APIs, AI coding assistant and 10,000 execution credits / month.

Sep 25, 2024

Tools for Teams and Collaboration

• Teamcamp - All-in-one project management application for software development companies.

Code Quality

• DiffText - Instantly find the differences between two blocks of code. Completely free to use.

Security and PKI

• seclookup.com - Seclookup APIs can enrich domain threat indicators in SIEM, provide comprehensive information on domain names, and improve threat detection & response. Get 50K lookups free here.

Sep 24, 2024

APIs, Data, and ML

• JSONGrid - Free tool to Visualize, Edit, Filter complex JSON data into beautiful tabular Grid. Save and Share JSON data over link link.

Managed Data Services

• Nile — A Postgres platform for B2B apps. Unlimited databases, Always available with no shutdown, 1GB of storage (total), 50 million query tokens, autoscaling, unlimited vector embeddings

Sep 23, 2024

CI and CD

• blacksmith - Managed performance runners for GitHub Actions that provides 3,000 free minutes per month, with no credit card needed.

PaaS

• genezio - A serverless function provider offers 1 million function calls, 100GB of bandwidth, and 10 cron jobs per month for free, exclusively for non-commercial or academic use.

Storage and Media Processing

• imgix - Image Caching, management and CDN. Free plan includes 1000 origin images, infinite transformations and 100 GB bandwidth

Sep 22, 2024

Tools for Teams and Collaboration

• Lockitbot — Reserve and lock shared resources within Slack like Rooms, Dev environments , servers etc. Free for upto 2 resources

Sep 20, 2024

Testing

• UseWebhook.com - Capture and inspect webhooks from your browser. Forward to localhost, or replay from history. Free to use.

Payment and Billing Integration

• ParityVend – Automatically adjust pricing based on visitor location to expand your business globally and reach new markets (purchasing power parity). The free plan includes 7,500 API requests/month.

Sep 19, 2024

Miscellaneous

• Webacus — Access a wide range of free developer tools for encoding, decoding, and data manipulation.

Sep 18, 2024

APIs, Data, and ML

• Geolocated.io — IP Geolocation API with multi-continent servers, offering a forever free plan with 60000 requests per month for hobbyists.

Email

• Maileroo - SMTP relay and email API for developers. 5,000 emails per month, unlimited domains, free email verification, blacklist monitoring, mail tester and more.

Forms

• Formlick.com - Typeform alternative with lifetime deal. Users can create 1 free form and receive unlimited submissions. In premium, users can create unlimited forms and unlimited submissions.

Sep 14, 2024

Tools for Teams and Collaboration

• Pastefy - Beautiful and simple Pastebin with optional Client-Encryption, Multitab-Pastes, an API, a highlighted Editor and more.

Sep 12, 2024

Tools for Teams and Collaboration

• Tencent RTC — Tencent Real-Time Communication (TRTC) offers solutions for group audio/video calls.10,000 free minutes/month for the first year.

Testing

• TestCollab - A user-friendly test management software, its free plan includes Jira integration, unlimited projects, test case import using CSV/XLSx, time tracking, and 1 GB file storage.

Sep 10, 2024

PaaS

• Lade - Lade is a cloud platform built for developers. The free tier includes three services, which can be either apps or databases. Each service includes 128 MB RAM and 1 GB storage.

Sep 09, 2024

Design and UI

• Mossaik - Free SVG image generator with different tools like waves, blogs and patterns.

Sep 06, 2024

APIs, Data, and ML

• JSON Serve — A free service that helps developers to store JSON objects and use that JSON as a REST API in their app.

Tools for Teams and Collaboration

• Revolt.chat — An OpenSource alternative forDiscord, that respects your privacy. It also have most proprietary features from discord for free. Revolt is a all in one application that is secure and fast, while being 100% free. every features are free. They also have (official & unofficial) plugins support unlike most main-stream chatting applications.

Sep 05, 2024

Feature Toggles Management Platforms

• Abby - Open-Source feature flags & A/B testing. Configuration as Code & Fully Typed Typescript SDKs. Strong integration with Frameworks such as Next.js & React. Generous free tier and cheap scaling options.

Sep 04, 2024

Education and Career Development

• MIT OpenCourseWare - MIT OpenCourseWare is an online publication of materials from over 2,500 MIT courses, freely sharing knowledge with learners and educators around the world. Youtube channel can be found at @mitocw

Tunneling, WebRTC, Web Socket Servers and Other Routers

• cname.dev — Free and secure dynamic reverse proxy service.

Sep 03, 2024

Email

• Temp-Mail.org - Temporary / Disposable Mail Gen Utilizing a range variety of domain. Email Address refreshes everytime, the page is reloaded. It is entirely free and does not include any pricing for their services.

• FakeMailGenerator.com - A German Temporary / Disposable Mail generator. Support 10 domain, while giving you the freedom of creating unlimited addresses. (include ads) but other than that, there is no pricing included in the service, it is entirely free.

Sep 02, 2024

Authentication, Authorization, and User Management

• Phase Two - Keycloak Open Source Identity and Access Management. Free realm up to 1000 users, up to 10 SSO connections, leveraging Phase Two's Keycloak enhanced container which includes the Organization extension.

Docker Related

• ttl.sh - Anonymous & ephemeral Docker image registry

Other Free Resources

• Killer Coda - Interactive playground in your browser to study Linux, Kubernetes, Containers, Programming, DevOps, Networking

Aug 25, 2024

Authentication, Authorization, and User Management

• Stack Auth — Open-source authentication that doesn't suck. The most developer-friendly solution, getting you started in just five minutes. Self-hostable for free, or offers a managed SaaS version with 10k free Monthly Active Users.

Aug 24, 2024

Authentication, Authorization, and User Management

• Cerbos Hub - A complete authorization management system for authoring, testing, and deploying access policies. Fine-grained authorization and access control, free up to 100 monthly active principals.

Aug 23, 2024

Email

• Plunk - 3K emails/month for free

Aug 22, 2024

Education and Career Development

• Cisco Networking Academy, Skills for All - Offers free certification-aligned courses in topics like cybersecurity, networking, and Python.

Aug 20, 2024

Other Free Resources

• MySQL Visual Explain - Easy-to-understand and free MySQL EXPLAIN output visualizer to optimize slow queries.

Aug 18, 2024

Generative AI

• Ultra AI - AI command center for your product. Features include multi-provider AI gateway, prompts manager, caching, logs, analytics, model fallbacks and user rate limiting. Free forever plan offers 10k+ requests per month and all the features except caching.

Aug 16, 2024

APIs, Data, and ML

• Zuplo - Free API Management platform to design, build, and deploy APIs to the Edge. Add Authentication, Rate Limiting, API Documentation, and Monetization in minutes. OpenAPI-native and fully-programmable with web standard apis & Typescript.

Aug 15, 2024

Monitoring

• SweetUptime — Server monitoring, uptime monitoring, DNS & domain monitoring. Monitor 10 server, 10 uptime, and 10 domain for free.

Aug 14, 2024

Testing

• Checkly - Code-first synthetic monitoring for modern DevOps. Monitor your APIs and apps at a fraction of the price of legacy providers. Powered by a Monitoring as Code workflow and Playwright. Generous free tier for devs.

Aug 09, 2024

APIs, Data, and ML

• APIVerve - Get instant access to over 120+ APIs for free, built with quality, consistency, and reliability in mind. The free plan covers up to 50 API Tokens per month.

Aug 04, 2024

Email

• Touchlead - A multi-purpose marketing automation tool, with lead management, form builder, and automation. Free for limited number of leads and automations

Aug 03, 2024

Generative AI

• Langtrace - enables developers to trace, evaluate, manage prompts and datasets, and debug issues related to an LLM application’s performance. It creates open telemetry standard traces for any LLM which helps with observability and works with any observability client. Free plan offers 50K traces/month.

Jul 31, 2024

Storage and Media Processing

• DocsParse – GPT powered AI processing of PDFs, Images, into structured data in JSON, CSV, EXCEL formats. 30 credits for free each month.

Jul 28, 2024

Generative AI

• Keywords AI - The best LLM monitoring platform. One format to call 200+ LLMs with 2 lines of code. 10,000 free requests every month and $0 for platform features!

Jul 26, 2024

Other Free Resources

• PageTools - Offers a suite of forever free AI-powered tools to help you generate essential website policies, create social media bios, posts and web pages with a simple one-click interface.

Jul 25, 2024

Security and PKI

• Altcha.org - A Spam Filter for websites and APIs powered by natural language processing and machine learning. Free plan includes 200 requests a day per domain.

Jul 23, 2024

Monitoring

• alerty.ai - Free APM and monitoring for your FE, BE, DB, and more + free agent runs.

Jul 22, 2024

Low-code Platform

• Clappia — A low-code platform designed for building business process applications with customizable mobile and web apps. Offers a drag-and-drop interface, features like Offline Support, real-time location tracking and integration with various third-party services.

DNS

• Dynv6.com — Free DDNS service with API support and management of a lot of dns record types (like CNAME, MX, SPF, SRV, TXT and others).

• noip.at — Free DDNS service without registration, tracking, logging or advertising. No limit to domains.

Analytics, Events and Statistics

• Seline - Seline is a simple & private website and product analytics. Cookieless, lightweight, independent. Free plan includes 3,000 events per month and provides access to all our features, such as the dashboard, user journeys, funnels, and more.

Other Free Resources

• PostPulse - Boost your online presence, enhance your SEO and site ranking with monthly AI-crafted posts to SEO-optimized domains The free Plan allows you to manually publish one Post on our site every month.

Jul 13, 2024

Email

• TempMailDetector.com - Verify up to 200 emails a month for free and see if an email is temporary or not.

Jul 09, 2024

Code Generation

• Supermaven — Supermaven is a fast AI code completion plugin for VSCode, JetBrains, and Neovim. Free tier provides unlimited inline completions.

Generative AI

• Clair - Clinical AI Reference. Students have free access to the professional tool suite, which includes Open Search, Clinical Summary, Med Review, Drug Interactions, ICD-10 Codes, and Stewardship. Additionally, a free trial for the professional suite is available.

Jul 07, 2024

Source Code Repos

• Codeberg — Unlimited public and private Git repos for free and open-source projects (with unlimited collaborators). Powered by Forgejo. Static website hosting with Codeberg Pages. CI/CD hosting with Codeberg's CI. Translating hosting with Codeberg Translate. Includes Package and Container hosting, Project management, and Issue Tracking

APIs, Data, and ML

• Country-State-City Microservice API - API and Microservice to provides a wide range of information including countries, regions, provinces, cities, postal codes, and much more. The free tier includes up to 100 requests per day.

• Insomnia - Open-source API client for designing and testing APIs, it supports REST and GraphQL

Tools for Teams and Collaboration

• transfernow — simplest, fastest and safest interface to transfer and share files. Send photos, videos and other large files without a manditory subscription.

• paste.sh — This is a JavaScript and the Crypto based simple paste site.

Testing

• Argos - Open Source visual testing for developers. Unlimitedprojects, with 5,000 screenshots per month. Free for open-source projects.

• Repeato No-code mobile app test automation tool built on top of computer vision and AI. Works for native apps, flutter, react-native, web, ionic, and many more app frameworks. The free plan is limited to 10 tests for iOS and 10 for Android, but includes most of the features of the paid plans, including unlimited test runs.

Mobile App Distribution and Feedback

• Loadly - iOS & Android beta apps distribution service offers completely free services with unlimited downloads, high-speed downloads, and unlimited uploads.

Monitoring

• Hydrozen.io — Uptime monitoring & Status pages, Free plan: 10 Uptime monitor, 5 heartbeat monitors, 1 Domain monitor and 1 Statuspage free.

Crash and Exception Handling

• Whitespace – One-click bug reports straight in your browser. Free plan with unlimited recordings for personal use.

Education and Career Development

• Roadmap.sh - Free learning roadmaps covering all aspects of development from Blockchain to UX Design.

Email

• AhaSend - Transactional email service, free for 1000 emails per month, with unlimited domains, team members, webhooks and message routes in the free plan.

• Inboxes App — Create up to 3 temporary emails a day, then delete them when you're done from within a handy Chrome extension. Perfect for testing signup flows.

• Momentary Email — Free Temporary Email Addresses. Read incoming emails on the website or by RSS feed.

Feature Toggles Management Platforms

• Hypertune - Type-safe feature flags, A/B testing, analytics and app configuration, with Git-style version control and synchronous, in-memory, local flag evaluation. Free for up to 5 team members with unlimited feature flags and A/B tests.

• Statsig - A robust platform for feature management, A/B testing, analytics, and more. Its generous free plan offers unlimited seats, flags, experiments, and dynamic configurations, supporting up to 1 million events per month.

Forms

• Survicate — Pull feedback from all sources and send follow-up surveys with one tool. Automatically analyze feedback and extract insights with AI. Free email, website, in-product or mobile surveys, AI survey creator, and 25 monthly responses.

BaaS

• bismuth.cloud — Our AI will boostrap your Python API on our function runtime and hosted storage, build and host for free in our online editor or locally with your favorite tools.

Domain

• us.kg - Free us.kg subdomains.

Design and UI

• Logo.dev - Company logo API with 44M+ brands that's as easy as calling a URL. First 10,000 API calls are free.

IDE and Code Editing

• MarsCode - A free AI-powered cloud-based IDE.

Payment and Billing Integration

• Qonversion - All-in-one cross-platform subscription management platform offering analytics, A/B testing, Apple Search Ads, remote configs, and growth tools for optimizing in-app purchases and monetization. Compatible with iOS, Android, React Native, Flutter, Unity, Cordova, Stripe, and web. Free up to $10k in monthly tracked revenue.

May 23, 2024

APIs, Data, and ML

• Zerosheets - Turn your Google Sheets spreadsheets into powerful API`s to rapidly develop prototypes, websites, apps and more. 500 requests per month available for free.

May 18, 2024

Education and Career Development

• DeepLearning.AI Short Courses - Free short courses from industry-leading experts to get hands-on experience with the latest generative AI tools and techniques in an hour or less.

May 16, 2024

Other Free Resources

• Wikimint Developer - Always free tools for web developers that includes CSS minify unminify, image optimizer, image resizer, case convertor, CSS validator, JavaScript compiler, HTML editor, etc.

May 15, 2024

PaaS

• ampt.dev - Ampt lets teams build, deploy, and scale JavaScript apps on AWS without complicated configs or managing infrastructure. Free Preview plan includes 500 invocations hourly, 2,500 invocations daily and 50,000 invocations monthly. Custom domains are allowed only in the paid plans.

Analytics, Events and Statistics

• AppFit - AppFit is a comprehensive analytics and product management tool designed to facilitate seamless, cross-platform management of analytics and product updates. Free plan includes 10,000 events per month, product journal and weekly insights.

May 13, 2024

Design and UI

• movingpencils.com — Fast, browser-based vector editor. Completely free.

May 10, 2024

APIs, Data, and ML

• Market Data API - Provides real-time and historical financial data for stocks, options, mutual funds, and more. The Free Forever API tier allows for 100 daily API requests at no charge.

CI and CD

• Nx Cloud - Nx Cloud speeds up your monorepos on CI with features such as remote caching, distribution of tasks across machines and even automated splitting of your e2e test runs. It comes with a free plan for up to 30 contributors with generous 150k credits included.

Storage and Media Processing

• ImgBB — ImgBB is an unlimited image hosting servce. Drag and drop your image anywhere on the screen. 32 MB / image limit. Receive Direct image links, BBCode and HTML thumbnails after uploading image. Login to see the upload history.

May 09, 2024

APIs, Data, and ML

• SmartParse - SmartParse is a data migration and CSV to API platform that offers time- and cost-saving developer tools. The Free tier includes 300 Processing Units per month, Browser uploads, Data quarantining, Circuit breakers, and Job Alerts.

May 08, 2024

Font

• fonts.xz.style free and open source service for delivering font families to websites using CSS.

Apr 30, 2024

Issue Tracking and Project Management

• leiga.com — Leiga is a SaaS product that uses AI to automatically manage your projects, helping your team stay focused and unleash immense potential, ensuring your projects progress as planned. Free for up to 10 users, 20 custom fields, 2GB of storage space, Video Recording with AI limited to 5 mins/video, Automation Runs at 20/user/month.

Design Inspiration

• Page Flows - [Mobile / web videos and screenshots] Videos of full flows across many mobile and web apps. Also includes screenshots. Highly searchable and indexed.

Miscellaneous

• BackgroundStyler.com - Create aesthetic screenshots of your code, text or images to share on social media.

Apr 27, 2024

Game Development

• Freesound - Free collaborative sound library offerer with different CC licenses.

Apr 26, 2024

Web Hosting

• Fern - Build and host a Markdown-based documentation site on Fern's free plan. You can even auto-generate an API reference for your site from API definition files. The site is hosted at yoursite.docs.buildwithfern.com.

Storage and Media Processing

• ImageEngine – ImageEngine is an easy to use global image CDN. Sub 60 sec setup. AVIF and JPEGXL support, WordPress-, Magento-, React-, Vue- plugins and more. Claim your free developer account here.

Apr 24, 2024

Education and Career Development

• Free Professional Resume Templates & Editor - Free platform with lots of Resume templates of Experienced Professionals, ready to clone and edit fully and download, ATS optimized.

Apr 23, 2024

Crash and Exception Handling

• Jam - Developer friendly bug reports in one click. Free plan with unlimited jams.

Apr 19, 2024

Font

• Bunny Privacy oriented Google Fonts

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Google STUN — stun:stun.l.google.com:19302

• Twilio STUN — stun:global.stun.twilio.com:3478?transport=udp

Other Free Resources

• Pyrexp — Free web-based regex tester and visualizer for debugging regular expressions.

Apr 18, 2024

Testing

• Requestly Open-source Chrome Extension to Intercept, Redirect and Mock HTTP Requests. Featuring Debugger, Mock Server, API Client and Session Recording. Redirect URLs, Modify HTTP Headers, Mock APIs, Inject custom JS, Modify GraphQL Requests, Generate Mock API Endpoints, Record session with Network & Console Logs. Create upto 10 rules in Free Tier. Free for open-source.

Apr 17, 2024

Source Code Repos

• framagit.org — Framagit is the software forge of Framasoft based on the Gitlab software includes CI, Static Pages, Project pages and Issue tracking.

Apr 16, 2024

Email

• Maildroppa - Up to 100 subscribers and unlimited emails as well as automations for free.

Apr 14, 2024

APIs, Data, and ML

• PDF-API.io - PDF Automation API, visual template editor or HTML to PDF, dynamic data integration, and PDF rendering with an API. The free plan comes with one template, 100 PDFs/month.

Apr 13, 2024

Log Management

• ManageEngine Log360 Cloud — Log Management service powered by Manage Engine. Free Plan offers 50 GB storage with 15 days Storage Retention and 7 days search.

Apr 12, 2024

APIs, Data, and ML

• Doppio — Managed API to generate and privately store PDFs and Screenshots using top rendering technology. The free plan allows 400 PDFs and Screenshots per month.

Code Generation

• Cody AI - Cody is a coding AI assistant that uses AI and a deep understanding of your codebase to help you write and understand code faster. Cody gives developers a choice of LLMs (including local inference), has support for various IDEs, supports all popular programming languages, and has a free plan. The free plan gives developers 20 chat messages (using Claude 3 Sonnet as the LLM) and 500 autocompletions (using the Starcoder 16b) each month.

Messaging and Streaming

• Novu.co — The open-source notification infrastructure for developers. Simple components and APIs for managing all communication channels in one place: Email, SMS, Direct, In-App and Push. The free plan includes 30,000 notifications/month with 90 days of retention.

Low-code Platform

• UI Bakery — Low-code platform that enables faster building of custom web applications. Supports building UI using drag and drop with a high level of customization through JavaScript, Python, and SQL. Available as both cloud and self-hosted solutions. Free for up to 5 users.

Analytics, Events and Statistics

• MetricsWave — Privacy-friendly Google Analytics alternative for developers. Free plan allows 20k pageviews per month without credit card.

Apr 11, 2024

Messaging and Streaming

• EMQX Serverless - Scalable and secure serverless MQTT broker you can get in seconds. 1M session minutes/month free forever (no credit card required).

Apr 10, 2024

Email

• Sweego - European transactional emails API for developers. 500 emails/day free.

Apr 05, 2024

Monitoring

• linkok.com - Online broken link checker, free for small websites up to 100 pages, completely free for open-source projects.

Issue Tracking and Project Management

• Teaminal - Standup, retro, and sprint planning tool for remote teams. Free for up to 15 users.

Mar 29, 2024

Tools for Teams and Collaboration

• Proton Pass — Password manager with built-in email aliases, 2FA authenticator, sharing and passkeys. Available on web, browser extension, and mobile app and desktop.

Authentication, Authorization, and User Management

• WorkOS - Free user management and authentication for up to 1 Million MAUs. Support email + password, social auth, Magic Auth, MFA, and more.

Mar 28, 2024

Security and PKI

• aikido.dev — All-in-one appsec platform covering SCA, SAST, CSPM, DAST, Secrets, IaC, Malware, Container scanning, EOL,... Free plan includes two users, scanning of 10 repos, 1 cloud, 2 containers & 1 domain.

Mar 27, 2024

Security and PKI

• Vulert - Vulert continuously monitors your open-source dependencies for new vulnerabilities, recommends fixes, without requiring installation or access to your codebase. Free for open-source projects.

Mar 23, 2024

Tunneling, WebRTC, Web Socket Servers and Other Routers

• serveo — Expose local servers to the internet. No installation, no signup. Free subdomain, no limits.

Mar 19, 2024

PaaS

• appwrite - Unlimited projects with no project pausing (supports websockets) and authentication service. 1 Database, 3 Buckets, 5 Functions per project in free tier.

Mar 14, 2024

Generative AI

• ReportGPT - AI Powered Writing Assistant. The entire platform is free as long as you bring your own API key.

Mar 13, 2024

Tools for Teams and Collaboration

• Dubble — Free Step-by-Step Guide creator. Take screenshots, document processes and colloborate with your team. Also supports async screen recording.

Mar 11, 2024

Analytics, Events and Statistics

• TrackWith Dicloud - Free lightweight privacy-focused alternative to Google Analytics. Unlimited pageviews, unlimited visitor, unlimited page heatmaps & goal tracking. Free for up to 3 domains and 600 session replay per domain.

Mar 09, 2024

Cloud management solutions

• deployment.io - Deployment.io helps developers automate deployments on AWS. On our free tier, a developer (single user) can deploy unlimited static sites, web services, and environments. We provide 20 job executions free per month with previews and auto-deploys included in the free tier.

Mar 06, 2024

Tunneling, WebRTC, Web Socket Servers and Other Routers

• btunnel — Expose localhost and local tcp server to the internet. Free plan includes file server, custom http request and response headers, basic auth protection and 1 hour tunnel timeout.

Feb 26, 2024

Design Inspiration

• Lapa Ninja - [Landing page / UI KIts / Web screenshots] Lapa Ninja is a gallery featuring the best 6025 landing page examples, free books for designers and free UI kits from around the web.

Feb 24, 2024

Payment and Billing Integration

• Currencyapi — Free currency conversion and exchange rate data API. Free 300 requests per month, 10 requests per minute for private use.

Feb 22, 2024

Tools for Teams and Collaboration

• Wormhole - Share files up to 5GB with end-to-end encryption for up to 24hours. For files larger than 5 GB, it uses peer-to-peer transfer to send your files directly.

Email

• Brevo — 9,000 emails/month, 300 emails/day free

IDE and Code Editing

• Cody - Free AI coding assistant that can write (Code blocks, autocomplete, unit tests), understand (knowledge of your entire codebase), fix, and find your code. Available for VS Code, JetBrains and Online.

Other Free Resources

• Framacloud — A list of Free/Libre Open Source Software and SaaS by the French non-profit Framasoft.

Feb 21, 2024

Forms

• Sprig - 1 In-Product Survey or Survey with Replay per month, with GPT-powered AI Analysis.

• feedback.fish - Free plan allows collecting 25 total feedback submissions. Easy to integrate with React and Vue components provided.

Analytics, Events and Statistics

• Umami - Simple, fast, privacy-focused, open-source alternative to Google Analytics.

Feb 18, 2024

Data Visualization on Maps

• nominatim.org — OpenStreetMap's free geocoding service, providing global address search functionality and reverse geocoding capabilities.

Analytics, Events and Statistics

• Yandex.Datalens — Yandex Cloud data visualization and analysis service. The service is provided free of charge. No restrictions on the number of users and requests.

Feb 16, 2024

PaaS

• mogenius - Easily build, deploy, and run services on Kubernetes. The free tier supports connecting a local Kubernetes with mogenius, enabling individual developers to create a production-like test environment on their machine.

Feb 12, 2024

BaaS

• Singlebase.cloud — SinglebaseCloud is an AI-powered all-in-one backend platform to accelerate app development. It offers tools like Vector DB, Relational Document DB, Auth, Search, and Storage, aiming to simplify backend development. Free/Starter Plan offers Relational Document DB, Auth, Search, Storage.

Feb 07, 2024

Generative AI

• Findr - Universal search that lets you search all your apps, at once. Search assistant that lets you answer questions using your information. Free plan offers unlimited unified search and 5 co daily co pilot queries.

Feb 06, 2024

Messaging and Streaming

• NotificationAPI.com — Add user notifications to any software in 5 minutes. The free plan includes 10,000 notifications/month + 100 SMS and Automated Calls.

Feb 04, 2024

Design and UI

• Nappy -- Beautiful photos of Black and Brown people, for free. For commercial and personal use.

IDE and Code Editing

• AndroidIDE — An Open Source IDE to develop real, Gradle-based Android applications on Android devices.

Feb 02, 2024

Testing

• octomind.dev - Auto-generated, run and maintained Playwright UI tests with AI-assisted test case generation

Jan 31, 2024

Storage and Media Processing

• MConverter.eu – Convert files in bulk. Supports many file formats, including new ones like AVIF. Extract all image frames from videos. Free for up to ten 100MB-files per day, processed in batches of two.

Jan 30, 2024

APIs, Data, and ML

• Tavily AI - API for online serach and rapid insights and comprehensive research, with the capability of organization of research results. 1000 request/month for the Free tier with No credit card required.

Other Free Resources

• QRCodeBest - Create custom QR codes with 13 templates, full privacy, and personal branding. Features tracking pixels, project categorization, and unlimited team seats on QRCode.Best.

Jan 28, 2024

Analytics, Events and Statistics

• LogSpot - Full unified web and product analytics platform, including embeddable analytics widgets and automated robots (slack, telegram, and webhooks). Free plan includes 10,000 events per month.

Privacy Management

• Concord - Full data privacy platform, including consent management, privacy request handling (DSARs), and data mapping. Free tier includes core consent management features and they also provide a more advanced plan for free to verified open source projects.

Jan 25, 2024

Testing

• webhookbeam.com - Set up webhooks and monitor them via push notifications and emails.

Generative AI

• Portkey - Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month.

• Braintrust - Evals, prompt playground, and data management for Gen AI. Free plan gives upto 1,000 private eval rows/week.

Jan 21, 2024

APIs, Data, and ML

• Crawlbase — Crawl and scrape websites without proxies, infrastructure, or browsers. We solve captchas for you and prevent you from being blocked. The first 1000 calls are free of charge.

Tools for Teams and Collaboration

• GitBook — Platform for capturing and documenting technical knowledge — from product docs to internal knowledge bases and APIs. Free plan for individual developers.

CMS

• WPJack - Set up WordPress on any cloud in less than 5 minutes! The free tier includes 1 server, 2 sites, free SSL certificates, and unlimited cron jobs. No time limits or expirations—your website, your way.

Analytics, Events and Statistics

• Statsig - All-in-one platform spanning across analytics, feature flagging, and A/B testing. Free for up to 1m metered events per month.

Jan 15, 2024

Other Free Resources

• 360Converter - Free tier useful website to convert: Video to Text && Audio to Text && Speech to Text && Real-time Audio to Text && YouTube Video to Text && add Video Subtitle. Maybe it will be helpful in a short video conversion or in a short youtube tutorial:)

Jan 11, 2024

Code Generation

• v0.dev — v0 uses AI models to generate code based on simple text prompts. It generates copy-and-paste friendly React code based on shadcn/ui and Tailwind CSS that people can use in their projects. Each generation takes at minimum 30 credits. You start up with 1200 credits, and get 200 free credits every month.

Jan 08, 2024

APIs, Data, and ML

• Data Dead Drop - Simple, free file sharing. Data self-destroys after access. Upload and download data via the browser or your favorite command line client.

Jan 03, 2024

APIs, Data, and ML

• Doczilla — SaaS API empowering the generation of screenshots or PDFs directly from HTML/CSS/JS code. The free plan allows 250 documents month.

Dec 29, 2023

Miscellaneous

• redirect.ing - Fast & secure domain forwarding without managing servers or SSL certificates. Free plan includes 10 hostnames and 100,000 requests per month.

Dec 26, 2023

APIs, Data, and ML

• BrowserCat - Headless browser API for automation, scraping, AI agent web access, image/pdf generation, and more. Free plan with 1k requests per month.

Security and PKI

• Public Cloud Threat Intelligence — High confidence Indicator of Compromise(IOC) targeting public cloud infrastructure, A portion is available on github (https://github.com/unknownhad/AWSAttacks (⭐244)). Full list is available via API

Other Free Resources

• SimpleBackups.com — Backup automation service for servers and databases (MySQL, PostgreSQL, MongoDB) stored directly into cloud storage providers (AWS, DigitalOcean, and Backblaze). Provides a free plan for 1 backup.

• SimpleRestore - Hassle-free MySQL backup restoration. Restore MySQL backups to any remote database without code or a server.

Dec 01, 2023

Low-code Platform

• Basedash — Low-code platform for building internal admin panels and dashboards. Supports SQL databases and REST APIs.

Nov 27, 2023

CDN and Protection

• CacheFly - Up to 5 TB per month of Free CDN traffic, 19 Core PoPs , 1 Domain and Universal SSL.

Nov 25, 2023

IDE and Code Editing

• Wave Terminal - Wave is an open-source, cross-platform terminal for seamless workflows. Render anything inline. Save sessions and history. Powered by open web standards. MacOS and Linux.

Nov 20, 2023

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Mirna Sockets - Free Socket as a Service Platform that gives you a wss:// URL when deploying your Web Socket Server code and also allows you to monitor its performance.

IDE and Code Editing

• WebDB - Free Efficient Database IDE. Featuring Server Discovery, ERD, Data Generator, AI, NoSQL Structure Manager, Database Versioning and many more.

Nov 16, 2023

IDE and Code Editing

• BBEdit - BBEdit is a popular and extensible editor for macOS. Free Mode provides a powerful core feature set and an upgrade path to advanced features.

Nov 14, 2023

Forms

• Qualli - In App Surveys, designed for mobile. Use Qualli AI to craft the perfect questions. You can try it out on our free plan, up to 500 MAU, create unlimited forms and triggers.

Nov 12, 2023

APIs, Data, and ML

• OpenWeb Ninja - Extremely comprehensive real-time SERP and public data APIs: Google Search, Shopping, Jobs, Images, Lens, News, Google Maps Businesses / Places, Reviews, Photos, Website Emails and Social Contacts Scraper, Amazon, Yelp and more. All APIs include a free tier with 100 to 200 free monthly requests.

Nov 08, 2023

Design and UI

• Iconoir – An open-source icons library with thousands of icons, supporting React, React Native, Flutter, Vue, Figma, and Framer.

Oct 26, 2023

Analytics, Events and Statistics

• Trackingplan - Automatically detect digital analytics, marketing data and pixels issues, maintain up-to-date tracking plans, and foster seamless collaboration. Deploy it to your production environment with real traffic or add analytics coverage to your regression tests without writing code.

Oct 24, 2023

Web Hosting

• Kinsta Static Site Hosting — Deploy up to 100 static sites for free, custom domains with SSL, 100 GB monthly bandwidth, 260+ Cloudflare CDN locations.

Issue Tracking and Project Management

• WishKit — Collect in-app user feedback for your iOS/macOS app and prioritize features based on user votes. Free plan up to 1 app.

IDE and Code Editing

• Brackets - Brackets is an open-source text editor specifically designed for web development. It is lightweight, easy to use, and highly customizable.

• Sublime Text - Sublime Text is a popular, versatile, and highly customizable text editor used for coding and text editing tasks.

Oct 23, 2023

APIs, Data, and ML

• ipapi.is - A reliable IP Address API from Developers for Developers with the best Hosting Detection capabilities that exist. The free plan offers 1000 lookups without signup.

Testing

• lost-pixel.com - holistic visual regression testing for your Storybook, Ladle, Histoire stories and Web Apps. Unlimited team members, totally free for open-source, 7,000 snapshots/month.

Oct 22, 2023

Authentication, Authorization, and User Management

• Corbado — Add passkey-first authentication to new or existing apps. Free for unlimited MAUs.

Oct 19, 2023

Monitoring

• Xitoring.com — Uptime monitoring: 20 free, Linux and Windows Server monitoring: 5 free, Status page: 1 free - Mobile app, multiple notification channel, and much more!

Design and UI

• TW Elements - Free Bootstrap components recreated with Tailwind CSS, but with better design and more functionalities.

Other Free Resources

• Markdown Tools - Tools for converting HTML, CSVs, PDFs, JSON, and Excel files to and from Markdown

Oct 18, 2023

Security and PKI

• HasMySecretLeaked - Search across 20 million exposed secrets in public GitHub repositories, gists, issues,and comments for Free

Oct 16, 2023

IaaS

• 4EVERLAND — Compatible with AWS S3 - APIs, interface operations, CLI, and other upload methods, upload and store files from the IPFS and Arweave networks in a safe, convenient, and efficient manner. Registered users can get 6 GB of IPFS storage and 300MB of Arweave storage for free. Any Arweave file uploads smaller than 150 KB are free.

Design and UI

• Carousel Hero - Free online tool to create social media carousels.

Oct 14, 2023

Testing

• seotest.me — Free on-page SEO website tester. 10 free website crawls per day. Useful SEO learning resources and recommendations on how to improve the on-page SEO results for any website regardless of technology.

Oct 13, 2023

Payment and Billing Integration

• Glassfy – In-app subscriptions infrastructure, real-time subscription events and out-of-the-box monetization tools on iOS, Android, Stripe and Paddle. Free up to $10k monthly revenue.

Oct 11, 2023

Web Hosting

• Bohr — Free for non commercial projects + Developer-First Deployment and Development Platform that minimizes infrastructure hassle and speed up setup.

Oct 08, 2023

APIs, Data, and ML

• Mindee – Mindee is a powerful OCR software and an API-first platform that helps developers automate applications' workflows by standardizing the document processing layer through data recognition for key information using computer vision and machine learning. The free tier offers 250 pages per month.

Design and UI

• SVGmix.com - Massive repository of 300K+ of free SVG icons, collections, and brand logos. It has a simple vector editing program right in the browser for quick file editing.

Oct 06, 2023

Monitoring

• bleemeo.com - Free for 3 servers, 5 uptime monitors, unlimited users, unlimited dashboards, unlimited alerting rules.

Oct 05, 2023

PaaS

• flightcontrol.dev - Deploy web services, databases, and more on your own AWS account with a Git push style workflow. Free tier for users with 1 developer on personal GitHub repos. AWS costs are billed through AWS, but you can use credits and the AWS free tier.

Oct 04, 2023

Monitoring

• pagecrawl.io - Monitor website changes, free for up to 6 monitors with daily checks.

Oct 03, 2023

Payment and Billing Integration

• FxRatesAPI — Provides real-time and historical exchange rates. The free tier requires attribution.

Oct 01, 2023

Education and Career Development

• FreeCodeCamp - Open-source platform offering free courses and certifications in Data Analysis, Information Security, Web Development, and more.

• The Odin Project - Free, open-source platform with a curriculum focused on JavaScript and Ruby for web development.

Sep 26, 2023

APIs, Data, and ML

• Zuplo - Add API Key authentication, rate limiting, and developer documentation to any API in minutes. The free plan offers up to 10 projects, unlimited production edge environments, 250 API keys, 100K monthly requests, and 1GB egress.

Sep 25, 2023

PaaS

• deco.cx - Edge-native frontend platform with a visual CMS auto-generated from TypeScript code. Built-in A/B testing, content segmentation, and real-time analytics. Perfect for content-heavy and Enterprise e-commerce websites. Free up to 5k pageviews/month or open-source/personal projects.

Sep 24, 2023

APIs, Data, and ML

• CometML - The MLOps platform for experiment tracking, model production management, model registry, and complete data lineage, covering your workflow from training to production. Free for individuals and academics.

Sep 23, 2023

Design and UI

• Webstudio -- Open-source alternative to Webflow. The free plan offers unlimited websites on their domain. Five websites with custom domains. Ten thousand page views/month. 2 GB asset storage.

Sep 21, 2023

Design and UI

• Calendar Icons Generator -- Generate an entire year's worth of unique icons in a single click, absolutely FREE

• Image BG Blurer -- Generate a blurred background frame for an image, using that image source as the background blur, for Notion, Trello, Jira, and more tools

Analytics, Events and Statistics

• Dwh.dev - Data Cloud Observability Solution (Snowflake). Free for personal use.

Sep 20, 2023

APIs, Data, and ML

• Canopy - GraphQL API for Amazon.com product, search, and category data. The free plan includes 100 calls per month.

• Commerce Layer - Composable commerce API that can build, place, and manage orders from any front end. The developer plan allows 100 orders per month and up to 1,000 SKUs for free.

CMS

• Storyblok - A Headless CMS for developers and marketers that works with all modern frameworks. The Community (free) tier offers Management API, Visual Editor, ten sources, Custom Field Types, Internationalization (unlimited languages/locales), Asset Manager (up to 2500 assets), Image Optimizing Service, Search Query, Webhook + 250GB Traffic/month included.

Design and UI

• Float UI - free web development tool for quickly creating modern, responsive websites with sleek design, even for non-designers.

Sep 19, 2023

Code Generation

• Metalama - Only for C#. Metalama generates the boilerplate of the code on the fly during compilation so that your source code remains clean. It is free for open-source projects, and its commercial-friendly free tier includes three aspects.

Code Quality

• CodSpeed - Automate performance tracking in your CI pipelines. Catch performance regressions before deployment, thanks to precise and consistent metrics. Free forever for Open Source projects.

Mobile App Distribution and Feedback

• TestApp.io - Your go-to platform for ensuring your mobile apps work as they should. Free plan: one app, analytics, unlimited versions & installs, and feedback collection.

• Diawi - Deploy iOS & Android apps directly to devices. Free plan: app uploads, password-protected links, 1-day expiration, ten installations.

• InstallOnAir - Distribute iOS & Android apps over the air. Free plan: unlimited uploads, private links, 2-day expiration for guests, 60 days for registered users.

• GetUpdraft - Distribute mobile apps for testing. The free plan includes one app project, three app versions, 500 MB storage, and 100 app installations per month.

• Appho.st - Mobile app hosting platform. The free plan includes five apps, 50 monthly downloads, and a maximum file size of 100 MB.

Crash and Exception Handling

• Embrace — Mobile app monitoring. Free for small teams with up to 1 million user sessions per year.

Sep 18, 2023

APIs, Data, and ML

• Browse AI — Extracting and monitoring data on the web. Fifty credits per month for free.

• Mockfly — Mockfly is a trusted development tool for API mocking and feature flag management. Quickly generate and control mock APIs with an intuitive interface. The free tier offers 500 requests per day.

• Nyckel — Train, deploy, and invoke image and text ML models. Free training with up to 5,000 pieces of training data. 1000 model invokes per month free.

• Simplescraper — Trigger your webhook after each operation. The free plan includes 100 cloud scrape credits.

CI and CD

• CircleCI — Comprehensive free plan with all features included in a hosted CI/CD service for GitHub, GitLab, and BitBucket repositories. Multiple resource classes, Docker, Windows, Mac OS, ARM executors, local runners, test splitting, Docker Layer Caching, and other advanced CI/CD features. Free for up to 6000 minutes/month execution time, unlimited collaborators, 30 parallel jobs in private projects, and up to 80,000 free build minutes for Open Source projects.

Authentication, Authorization, and User Management

• Kinde - Simple, robust authentication you can integrate with your product in minutes. Everything you need to get started with 7,500 free MAU.

• Stytch - Flexible authentication APIs and SDKs with reach-resistant passwords, passwordless login flows, MFA, SSO, and more. Email/SMS sending + failover and fraud protections built-in. Offers 5,000 Monthly Active Users free (B2C) or 1,000 Monthly Active Users and 25 Organizations free (B2B).

Monitoring

• Wachete - monitor five pages, checks every 24 hours.

Email

• EtherealMail - Ethereal is a fake SMTP service, mainly aimed at Nodemailer and EmailEngine users (but not limited to). It's an entirely free anti-transactional email service where messages never get delivered.

Feature Toggles Management Platforms

• Toggled.dev - Enterprise-ready, scalable multi-regional feature toggles management platform. Free plan up to 10 flags, two environments, unlimited requests. SDK, analytics dashboard, release calendar, Slack notifications, and all other features are included in the endless free plan.

Forms

• Screeb - In-app surveys and product analytics for decoding user behavior. Forever free plan allows 500 monthly active users, unlimited responses and events, many integrations, export, and periodic reports.

BaaS

• IFTTT — Automate your favorite apps and devices. Free 2 Applets

• Integrately — Automate tedious tasks with a single click. Free 100 Tasks, 15 Minute Update Time, five active automations, webhooks.

Sep 14, 2023

Web Hosting

• dAppling Network - Decentralized web hosting platform for Web3 frontends focusing on increasing uptime and security and providing an additional access point for users.

Sep 09, 2023

Commenting Platforms

• Remarkbox - Open source hosted comments platform, pay what you can for "One moderator on a few domains with complete control over behavior & appearance"

• IntenseDebate - A feature-rich comment system for WordPress, Tumblr, Blogger, and many other website platforms.

Sep 06, 2023

Tools for Teams and Collaboration

• Webex — Video meetings with a free plan offering 40 minutes per meeting with 100 attendees.

• RingCentral — Video meetings with a free plan offering 50 minutes per meeting with 100 participants.

Payment and Billing Integration

• Moesif API Monetization - Generate revenue from APIs via usage-based billing. Connect to Stripe, Chargebee, etc. The free tier offers 30,000 events/month.

Aug 31, 2023

APIs, Data, and ML

• ipbase.com - IP Geolocation API - Forever free plan that spans 150 monthly requests.

Security and PKI

• pixee.ai - Automated Product Security Engineer as a free GitHub bot that submits PRs to your Java code base to automatically resolve vulnerabilities. Other languages coming soon!

Aug 30, 2023

Forms

• forms.app — Create online forms with powerful features like conditional logic, automatic score calculator, and AI. Collect up to 100 responses with a free plan, embed your forms on a website, or use them with a link.

Aug 29, 2023

CMS

• TinaCMS — Replacing Forestry.io. Open source Git-backed headless CMS that supports Markdown, MDX, and JSON. The basic offer is free with two users available.

Aug 28, 2023

Messaging and Streaming

• httpSMS - Send and receive text messages using your Android phone as an SMS Gateway. Free to send and receive up to 200 messages per month.

Other Free Resources

• sandbox.httpsms.com — Send and receive test SMS messages for free.

Aug 23, 2023

Tools for Teams and Collaboration

• OnlineInterview.io - Free code interview platform with embedded video chat, drawing board, and online code editor where you can compile and run your code on the browser. You can create a remote interview room with just one click.

Aug 21, 2023

Design and UI

• Quant Ux - Quant Ux is a prototyping and design tool. - It's completely free and also open source.

Miscellaneous

• cron-job.org - Online cronjobs service. Unlimited jobs are free of charge.

Aug 20, 2023

DNS

• deSEC - Free DNS hosting with API support, designed with security in mind. Runs on open-source software and is supported by SSE.

Aug 15, 2023

Testing

• webhook-test.com - Debug and inspect webhooks and HTTP requests with a unique URL during integration. Completely free, you can create unlimited URLs and receive recommendations.

Aug 10, 2023

Monitoring

• sitesure.net - Website and cron monitoring - 2 monitors free

Aug 09, 2023

Tools for Teams and Collaboration

• Pullflow — Pullflow offers an AI-enhanced platform for code review collaboration across GitHub, Slack, and VS Code.

Aug 03, 2023

CI and CD

• bytebase.com — Database CI/CD and DevOps. Free under 20 users and ten database instances

Aug 02, 2023

Crash and Exception Handling

• Semaphr — Free all-in-one kill switch for your mobile apps.

Jul 31, 2023

Authentication, Authorization, and User Management

• Logto - Develop, secure, and manage user identities of your product - for both authentication and authorization. Free for up to 5,000 MAUs with open-source self-hosted option available.

Jul 28, 2023

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Expose - Expose local sites via secure tunnels. The free plan includes an EU Server, Random subdomains, and Single users.

Jul 27, 2023

Cloud management solutions

• Cloud 66 - Free for personal projects (includes one deployment server, one static site), Cloud 66 gives you everything you need to build, deploy, and grow your applications on any cloud without the headache of the “server stuff.”.

Authentication, Authorization, and User Management

• Cloud-IAM — Keycloak Identity and Access Management as a Service. Free up to 100 users and one realm.

Jul 16, 2023

APIs, Data, and ML

• Hook0 - Hook0 is an open-source Webhooks-as-a-service (WaaS) that makes it easy for online products to provide webhooks. Dispatch up to 3,000 events/month with seven days of history retention for free.

Email

• Queuemail.dev — Reliable email delivery API. Free tier (10,000 emails/per month). Send asynchronously. Use several SMTP servers. Blocklists, Logging, Tracking, Webhooks, and more.

Issue Tracking and Project Management

• Pulse.red — Free Minimalistic Time Tracker and Timesheet app for projects.

Analytics, Events and Statistics

• Aptabase — Open Source, Privacy-Friendly, and Simple Analytics for Mobile and Desktop Apps. SDKs for Swift, Kotlin, React Native, Flutter, Electron, and many others. Free for up to 20,000 events per month.

Jul 10, 2023

Web Hosting

• Lecturify - Web hosting with SFPT access for file upload and download, php available.

Jul 08, 2023

Managed Data Services

• Aiven - Aiven offers free PostgreSQL, MySQL and Redis plans on its open-source data platform. Single node, 1 CPU, 1GB RAM, and for PostgreSQL and MySQL, 5GB storage. Easy migration to more extensive plans or across clouds.

Jul 06, 2023

Testing

• Apptim — A mobile testing tool that enables people without performance engineering skills to evaluate an app's performance and user experience (UX). A desktop version using your own device is 100% FREE, with unlimited tests on both iOS and Android.

Jun 30, 2023

PaaS

• Zeabur - Deploy your services with one click. Free for three services, with US$ 5 free credits per month.

Web Hosting

• Vercel — Build, deploy, and host web apps with free SSL, global CDN, and unique Preview URLs each time you git push. Perfect for Next.js and other Static Site Generators.

Jun 28, 2023

Code Quality

• semanticdiff.com — Programming language aware diff for GitHub pull requests and commits, free for public repositories

Authentication, Authorization, and User Management

• Aserto - Fine-grained authorization as a service for applications and APIs. Free up to 1000 MAUs and 100 authorizer instances.

Jun 26, 2023

DNS

• Zonomi — Free DNS hosting service with instant DNS propagation. Free plan: 1 DNS zone (domain name) with up to 10 DNS records.

Storage and Media Processing

• cloudimage.io — Full image optimization and CDN service with 1500+ Points of Presence around the world. A variety of image resizing, compression, and watermarking functions. Open source plugins for responsive images, 360 image making and image editing. Free monthly plan with 25GB of CDN traffic 25GB of cache storage and unlimited transformations.

Data Visualization on Maps

• ipstack - Locate and identify Website Visitors by IP Address

Game Development

• 3Dassets.one - Over 8,000 free/paid 3D models, and PBR materials for making textures.

Jun 19, 2023

Code Generation

• Appinvento — AppInvento is a free No code app builder. In the automatically generated backend code, users have complete access to the source code and unlimited APIs and routes, allowing for extensive integration. The free plan includes three projects, five tables, and a Google add-on.

Jun 14, 2023

Email

• Resend - Transactional emails API for developers. 3,000 emails/month, 100 emails/day free, one custom domain.

Jun 04, 2023

Monitoring

• robusta.dev — Powerful Kubernetes monitoring based on Prometheus. Bring your own Prometheus or install the all-in-one bundle. The free tier includes up to 20 Kubernetes nodes. Alerts via Slack, Microsoft Teams, Discord, and more. Integrations with PagerDuty, OpsGenie, VictorOps, DataDog, and many other tools.

Visitor Session Recording

• OpenReplay.com - Open-source session replay with dev tools for bug reproduction, live session for real-time support, and product analytics suite. One thousand sessions/month with access to all features and 7-day retention.

Jun 02, 2023

Web Hosting

• telegra.ph Easily create web page using Quill

Other Free Resources

• ElevateAI - Get up to 200 hours of audio transcription for free every month.

• OpenUtils - There are various free tools available for developers, such as HTML/CSS/JavaScript formatters, minifiers, converters, encoders/decoder,s and many others.

May 30, 2023

Web Hosting

• Serv00.com — 3 GB of free web hosting with daily backups (7 days). Support: Crontab jobs, SSH access, repositories (GIT, SVN, and Mercurial), support: MySQL, PostgreSQL, MongoDB, PHP, Node.js, Python, Ruby, Java, Perl, TCL/TK, Lua, Erlang, Rust, Pascal, C, C++, D, R, and many more.

May 26, 2023

Analytics, Events and Statistics

• Row Zero - Blazingly fast, connected spreadsheet. Connect directly to data databases, S3, and APIs. Import, analyze, graph, and share millions of rows instantly. Three free (forever) workbooks.

May 24, 2023

Web Hosting

• HelioHost — Non-profit free web hosting with Plesk control panel, PHP, Node.js, Python, Django, Flask, .NET, Perl, CGI, MySQL, PostgreSQL, SQLite, IMAP/POP3/SMTP email, unlimited bandwidth, free subdomains, 1000 MB storage for free with the option to upgrade.

May 20, 2023

APIs, Data, and ML

• LoginLlama - A login security API to detect fraudulent and suspicious logins and notify your customers. Free for 1,000 logins per month.

May 19, 2023

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Pinggy — Public URLs for localhost with a single command, no downloads required. HTTPS / TCP / TLS tunnels. The free plan has 60 minutes tunnel lifetime.

May 14, 2023

Design and UI

• storyset.com — Create incredible free customized illustrations for your project using this tool.

• NextUI -- Free. Beautiful, fast, and modern React & Next.js UI library.

• Glyphs -- Free, The Mightiest Icons on the Web, Fully editable & truly open source design system.

• ShadcnUI -- Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

• HyperUI -- Free Open Source Tailwind CSS Components.

Dev Blogging Sites

• AyeDot — Share your ideas, knowledge, and stories with the world for Free in the form of Modern multimedia short-format Miniblogs.

May 13, 2023

Miscellaneous

• Domain Forward - A straightforward tool to forward any URL or Domain. Free up to 5 domains and 200k requests per month.

May 11, 2023

Security and PKI

• Infisical — Open source platform that lets you manage developer secrets across your team and infrastructure: everywhere from local development to staging/production 3rd-party services. Free for up to 5 developers.

May 08, 2023

Miscellaneous

• kandi — Jumpstart Application Development: build custom functions, and use cases, and complete applications faster through code snippets and open-source library reuse.

May 06, 2023

Issue Tracking and Project Management

• Plane - Plane is a simple, extensible, open-source project and product management tool. Free for unlimited members, up to 5MB file upload size, 1000 issues.

May 03, 2023

CMS

• Hygraph - Offers free tier for small projects. GraphQL first API. Move away from legacy solutions to the GraphQL native Headless CMS - and deliver omnichannel content API first.

Email

• Mailcheck.ai - Prevent users to sign up with temporary email addresses, 120 requests/hour (~86,400 per month)

Managed Data Services

• Neon — Managed PostgreSQL, 0.5 GB of storage (total), 1 Project ,10 branches, Unlimited Databases, always-available primary branch ( Auto suspend after 5 minutes), 20 hours of Active time per month (total) for non-primary branch compute.

May 02, 2023

Email

• Imitate Email - Sandbox Email Server for testing email functionality across build/qa and ci/cd. Free accounts get 15 emails a day forever.

Apr 29, 2023

Artifact Repos

• paperspace — Build & scale AI models, Develop, train, and deploy AI applications, free plan: public projects, 5Gb storage, basic instances.

Apr 26, 2023

APIs, Data, and ML

• PromptLeo - Prompt engineering platform for creators and developers. It offers a prompt engineering library, forms, and API. The free plan provides one prompt formation, one prompt API endpoint, and 30 generations per month.

Apr 25, 2023

Miscellaneous

• snappify - Enables developers to create stunning visuals. From beautiful code snippets to fully fletched technical presentations. The free plan includes up to 3 snaps at once with unlimited downloads and 5 AI-powered code explanations per month.

Apr 22, 2023

Managed Data Services

• Turso by ChiselStrike - Turso is SQLite Developer Experience in an Edge Database. Turso provides a Free Forever starter plan, 9 GB of total storage, Up to 500 databases, Up to 3 locations, 1 billion row reads per month, and Local development support with SQLite.

Apr 21, 2023

Authentication, Authorization, and User Management

• Clerk — User management, authentication, 2FA/MFA, prebuilt UI components for sign-in, sign-up, user profiles, and more. Free up to 10,000 monthly active users.

Apr 18, 2023

Design Inspiration

• LovelyLanding.net - [Landing Page Designs] Frequently updated landing page screenshots. Includes Desktop, Tablet, and Mobile screenshots.

Apr 17, 2023

Design and UI

• Vertopal - Vertopal is a free online platform for converting files to various formats. Including developer converters like JPG to SVG, GIF to APNG, PNG to WEBP, JSON to XML, etc.

Apr 14, 2023

Design and UI

• css.glass -- Free web app for creating glassmorphic designs using CSS.

• iconify.design -- A collection of over 100 icon packs with a unified interface. Allows you to search for icons across packs and export individual icons as SVGs or for popular web frameworks.

Game Development

• Poliigon - Free and paid textures (with variable resolution), models, HDRIs, and brushes. Offers free plugins to export to software like Blender.

Apr 13, 2023

Crash and Exception Handling

• Axiom — Store up to 0.5 TB of logs with 30-day retention. Includes integrations with platforms like Vercel and advanced data querying with email/Discord notifiers.

Managed Data Services

• CrateDB - Distributed Open Source SQL database for real-time analytics. Free Tier CRFREE: One-node with 2 CPUs, 2 GiB of memory, 8 GiB of storage. One cluster per organization, no payment method needed.

Design and UI

• hypercolor.dev -- A curated collection of Tailwind CSS color gradients also provides a variety of generators to create your own.

Other Free Resources

• Glob tester — A website that allows you to design and test glob patterns. It also provides resources to learn glob patterns.

Apr 12, 2023

Managed Data Services

• 8base.com - 8base is a full-stack low-code development platform built for JavaScript developers built on top of MySQL and GraphQL and serverless backend-as-a-service. It allows you to start building web applications quickly using a UI app builder and scale quickly, The Free tier includes rows: 2,500, Storage: 500, Serverless computing: 1Gb/h, and client app users: 5.

Apr 08, 2023

Managed Data Services

• TerminusCMS — Managed free service for TerminusDB, a document and graph database written in Prolog and Rust. Free for dev, paid service for enterprise deployments and support.

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Xirsys — Unlimited STUN usage + 500 MB monthly TURN bandwidth, capped bandwidth, single geographic region.

Apr 05, 2023

APIs, Data, and ML

• Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month.

Tools for Teams and Collaboration

• Visual Debug - A Visual feedback tool for better client-dev communication

Apr 03, 2023

Tools for Teams and Collaboration

• Webvizio — Website feedback tool, website review software, and bug reporting tool for streamlining web development collaboration on tasks directly on live websites and web apps, images, PDFs, and design files.

Issue Tracking and Project Management

• point.poker - Online Planning Poker (consensus-based estimation tool). Free for unlimited users, teams, sessions, rounds, and votes. You don't need to register.

Mar 30, 2023

APIs, Data, and ML

• APIToolkit.io - All the tools you need to fully understand what's going on in your APIs and Backends. With automatic API contract validation and monitoring. The free plan covers servers with up to 20,000 requests per month.

Mar 29, 2023

Low-code Platform

• ILLA Cloud — ILLA Cloud - A robust open-source low-code platform for developers to build internal tools. By using ILLA's library of Components and Actions, developers can save massive amounts of time on building tools. Free for 5 team members.

Mar 28, 2023

Email

• Mailchimp — 500 subscribers and 1,000 emails/month free.

• Mailjet — 6,000 emails/month free (200 emails daily sending limit)

• Mailtrap.io — Fake SMTP server for development, free plan with one inbox, 100 messages, no team member, two emails/second, no forward rules.

• Mail7.io — Free Temp Email Addresses for QA Developers. Create email addresses instantly using Web Interface or API.

• Postmark - 100 emails/month free, unlimited DMARC weekly digests.

• SendGrid — 100 emails/day and 2,000 contacts free

• Sendpulse — 500 subscribers/month, 15,000 emails/month free

Low-code Platform

• BudiBase — Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s

• appsmith — Low code project to build admin panels, internal tools, and dashboards. Integrates with 15+ databases and any API.

• ToolJet — Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc., and build apps using drag-and-drop application builder.

• ReTool — Low-code platform for building internal applications. Retool is highly hackable. If you can write it with JavaScript and an API, you can make it in Retool. The free tier allows up to five users per month, unlimited apps and API connections.

• DronaHQ — DronaHQ - a low code platform that helps engineering teams and product managers to build internal tools, custom user journeys, digital experiences, automation, custom admin panels, operational apps 10X faster.

Mar 24, 2023

Code Generation

• DhiWise — Seamlessly turn Figma designs into dynamic Flutter & React applications with DhiWise's innovative code generation technology, optimizing your workflow and helping you craft exceptional mobile and web experiences faster than ever before.

Mar 22, 2023

Search

• Magny - SaaS service that helps implement command palettes (e.g. in-app search), which significantly decreases the time users find anything in an app, leveraging the user experience and efficiency.

Mar 18, 2023

CI and CD

• deploybot.com — 1 repository with ten deployments, free for Open Source

Font

• FontsKey - Provides free and commercial paid fonts for personal use and can enter text for quick filtering.

Mar 17, 2023

Miscellaneous

• BinShare.net - Create & share code or binaries. Available to share as a beautiful image e.g. for Twitter / Facebook post or as a link e.g. for chats or forums.

Mar 16, 2023

Other Free Resources

• AdminMart — High-Quality Free and Premium Admin Dashboard and Website Templates created with Angular, Bootstrap, React, VueJs, NextJS, and NuxtJS!

Mar 14, 2023

APIs, Data, and ML

• What The Diff - AI-powered code review assistant. The free plan has a limit of 25,000 monthly tokens (~10 PRs).

Mar 12, 2023

APIs, Data, and ML

• pdfEndpoint.com - Effortlessly convert HTML or URLs to PDF with a simple API. One hundred conversions per month for free.

Mar 08, 2023

Authentication, Authorization, and User Management

• Descope — Highly customizable AuthN flows, has both a no-code and API/SDK approach, Free 7,500 active users/month, 50 tenants (up to 5 SAML/SSO tenants).

Miscellaneous

• Versionfeeds — Custom RSS feeds for releases of your favorite software. Have the latest versions of your programming languages, libraries, or loved tools in one feed. (The first 3 feeds are free)

Mar 07, 2023

Web Hosting

• Patr Cloud — An easy-to-use cloud platform, among its paid services it offers to host three static sites for free.

Mar 03, 2023

Monitoring

• Middleware.io - Middleware observability platform provides complete visibility into your apps & stack, so you can monitor & diagnose issues at scale. They have a free forever plan for Dev community use that allows Log monitoring for up to 1M log events, Infrastructure monitoring & APM for up to 2 hosts.

Mar 01, 2023

PaaS

• WunderGraph - An open-source platform that allows you to quickly build, ship and manage modern APIs. Built-in CI/CD, GitHub integration, and automatic HTTPS. Up to 3 projects, 1GB egress, 300 minutes of build time per month on the free plan

Feb 28, 2023

Design and UI

• Scrollbar.app -- Simple free web app for designing custom scrollbars for the web.

Feb 26, 2023

Authentication, Authorization, and User Management

• Auth0 — Hosted SSO. Up to 7000 active users and two social identity providers.

• Okta — User management, authentication and authorization. Free for up to 100 monthly active users.

Feb 25, 2023

APIs, Data, and ML

• Datalore - Python notebooks by Jetbrains. Includes 10 GB of storage and 120 hours of runtime each month.

Messaging and Streaming

• HiveMQ - Connect your MQTT devices to the Cloud Native IoT Messaging Broker. Free to connect up to 100 devices (no credit card required) forever.

Feb 24, 2023

APIs, Data, and ML

• TemplateTo - Auto-Generate PDF/TXT documents from reusable templates with our drop-and-drop editor and simple API. The free plan comes with 450 PDFs/month and three templates.

Feb 20, 2023

BaaS

• Activepieces - Build automation flows to connect several apps together in your app's backend. For example, send a Slack message or add a Google Sheet row when an event fires in your app. Free up to 5,000 tasks per month.

Feb 19, 2023

Miscellaneous

• Pika Code Screenshots — Create beautiful, customizable screenshots from code snippets and VSCode using the extension.

Game Development

• Gamefresco.com — Discover, collect, and share free game assets from game artists everywhere.

Feb 15, 2023

Testing

• Bencher - A continuous benchmarking tool suite to catch CI performance regressions. Free for all public projects.

Forms

• Feathery - Powerful, developer-friendly form builder. Build signup & login, user onboarding, payment flows, complex financial applications, and more. The free plan allows up to 250 submissions/month and five active forms.

Feb 13, 2023

Data Visualization on Maps

• Clockwork Micro — Map tools that work like clockwork. Fifty thousand free monthly queries (map tiles, db2vector, elevation).

Feb 11, 2023

Security and PKI

• openapi.security - Free tool to quickly check the security of any OpenAPI / Swagger-based API. You don't need to sign up.

Feb 10, 2023

APIs, Data, and ML

• ERD Lab — Free cloud-based entity relationship diagram (ERD) tool made for developers.

Feb 09, 2023

Email

• EForw – Free email forwarding for one domain. Receive and send emails from your domain.

Feb 07, 2023

APIs, Data, and ML

• Meteosource Weather API — global weather API for current and forecasted weather data. Forecasts are based on a machine learning combination of more weather models to achieve better accuracy. The free plan comes with 400 calls per day.

Feb 03, 2023

Managed Data Services

• Tinybird - A serverless managed ClickHouse with connection-less data ingest over HTTP and lets you publish SQL queries as managed HTTP APIs. There is no time limit on free-tier, 10GB storage + 1000 API requests per day.

Feb 02, 2023

CI and CD

• Buildkite CI Pipelines free for 3 users and 5k job minutes/month. Test Analytics free developer tier includes 100k test executions/month, with more free inclusions for open-source projects.

Design and UI

• DaisyUI -- Free. "Use Tailwind CSS but write fewer class names" offers components like buttons.

Feb 01, 2023

Tools for Teams and Collaboration

• Pumble - Free team chat app. Unlimited users and message history, free forever.

Security and PKI

• SOOS - Free, unlimited SCA scans for open-source projects. Detect and fix security threats before release. Protect your projects with a simple and effective solution.

Issue Tracking and Project Management

• Clockify - Time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever.

Jan 31, 2023

APIs, Data, and ML

• Svix - Webhooks as a Service. Send up to 50,000 messages/month for free.

Payment and Billing Integration

• CoinMarketCap — Provides cryptocurrency market data including the latest crypto and fiat currency exchange rates. The free tier offers 10K call credits/month.

• CoinGecko — Provides cryptocurrency market data including the latest crypto exchange rates and historical data. The demo api comes with a stable rate limit of 30 calls/min and a monthly cap of 10,000 calls.

Jan 30, 2023

APIs, Data, and ML

• GeoCod — Free geocoding API: Convert postal addresses into geographic coordinates or convert geographic coordinates into postal addresses (reverse geocoding).

Forms

• SimplePDF.eu - Embed a PDF editor on your website and turn any PDF into a fillable form. The free plan allows unlimited PDFs with three submissions per PDF.

Jan 27, 2023

APIs, Data, and ML

• Arize AI - Machine learning observability for model monitoring and root-causing issues such as data quality and performance drift. Free up to two models.

Code Generation

• Codeium — Codeium is a free AI-powered code completion tool. It supports over 20+ programming languages (Python, JavaScript, Java, TypeScript, PHP, C/C++, Go, etc.) and integrates with all significant standalone and web IDEs.

Monitoring

• pagerly.io - Manage on-calls on Slack (integrates with Pagerduty, OpsGenie). Free up to 1 team (one team refers to one on call)

Jan 25, 2023

Miscellaneous

• Tiledesk - Create chatbots and conversational apps. Bring them omnichannel: from your website (live chat widget) to WhatsApp. Free plan with unlimited chatbots.

Jan 24, 2023

Tools for Teams and Collaboration

• gokanban.io - Syntax-based, no registration Kanban Board for fast use. Free with no limitations.

Jan 18, 2023

Monitoring

• downtimemonkey.com — 60 uptime monitors, 5-minute interval. Email, Slack alerts.

Feature Toggles Management Platforms

• GrowthBook - Open source feature flag and A/B testing provider with built-in Bayesian statistical analysis engine. Free for up to 3 users, unlimited feature flags and experiments.

Jan 17, 2023

Testing

• Keploy - Keploy is a functional testing toolkit for developers. Recording API calls generates E2E tests for APIs (KTests) and mocks or stubs(KMocks). It is free for Open Source projects.

CDN and Protection

• Stellate - Stellate is a blazing-fast, reliable CDN for your GraphQL API and free for two services.

Jan 16, 2023

Tools for Teams and Collaboration

• Mattermost — Secure collaboration for technical teams. Free plan with unlimited channels, playbooks, boards, users, 10GB storage, and more.

Jan 13, 2023

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Traefik-Hub - Publish locally, running services over a tunnel to a public custom URL and secure them with access control. Free for 5 services in one cluster.

Jan 10, 2023

Email

• Emailvalidation.io - 100 free email verifications per month

Issue Tracking and Project Management

• Sflow — sflow.io is a project management tool built for agile software development, marketing, sales, and customer support, especially for outsourcing and cross-organization collaboration projects. Free plan up to 3 projects and five members.

Jan 09, 2023

APIs, Data, and ML

• Cube - Cube helps data engineers and application developers access data from modern data stores, organize it into consistent definitions, and deliver it to every application. The fastest way to use Cube is with Cube Cloud, which has a free tier with 1GB of data passing through each month.

Other Free Resources

• Kody Tools — 100+ dev tools including formatter, minifier, and converter.

Jan 05, 2023

Other Free Resources

• regex101 — Free this website allows you to test and debug regular expressions (regex). It provides a regex editor and tester, as well as helpful documentation and resources for learning regex.

Dec 28, 2022

Data Visualization on Maps

• locationiq.com — Geocoding, Maps, and Routing APIs. Five thousand requests/day for free.

Other Free Resources

• Free Code Tools — Effective code tools which are 100% free. Markdown editor, Code minifier/beautifier, QR code generator, Open Graph Generator, Twitter card Generator, and more.

Dec 26, 2022

Tools for Teams and Collaboration

• Teamplify - improve team development processes with Team Analytics and Smart Daily Standup. Includes full-featured Time Off management for remote-first teams. Free for small groups of up to 5 users.

Dec 22, 2022

APIs, Data, and ML

• Shipyard — Low-code data orchestration platform for the cloud. Build with a mix of low-code templates and your code (Python, Node.js, Bash, SQL). Our free developer plan offers 10 hours of runtime every month for one user - more than enough to automate multiple workflows.

Monitoring

• Pulsetic - 10 monitors, 6 Months of historical Uptime/Logs, unlimited status pages, and custom domains included! For infinite time and unlimited email alerts for free. You don't need a credit card.

Design and UI

• MDBootstrap - Free for personal & commercial use Bootstrap, Angular, React, and Vue UI Kits with over 700 components, stunning templates, 1-min installation, extensive tutorials & colossal community.

Dec 19, 2022

APIs, Data, and ML

• Weights & Biases — The developer-first MLOps platform. Build better models faster with experiment tracking, dataset versioning, and model management. Free tier for personal projects only, with 100 GB of storage included.

Dec 18, 2022

Authentication, Authorization, and User Management

• PropelAuth — A Sell to companies of any size immediately with a few lines of code, free up to 200 users and 10k Transactional Emails (with a watermark branding: "Powered by PropelAuth").

Dec 15, 2022

Design and UI

• Circum Icons - Consistent open-source icons such as SVG for React, Vue, and Svelte.

Design Inspiration

• Refero - [Web screenshots] Tagged and searchable collection of design references from great web applications.

Dec 12, 2022

Managed Data Services

• xata.io - Xata is a serverless database with built-in powerful search and analytics. One API, multiple type-safe client libraries, and optimized for your development workflow. The free-forever tier is sufficient for hobby developers which comes with three units of Xata, please refer to the website for unit definition.

Dec 11, 2022

APIs, Data, and ML

• Query.me - Collaborative data notebooks that execute script-like and allow to fetch and send data via SQL, API, and many custom blocks, like Slack and Email. Free for small Teams.

Log Management

• logzab.com — Audit trail management system. Free 1,000 user activity logs per month, 1-month retention, for up to 5 projects.

Forms

• Tally.so - 99% of all the features are free. The free tier lets you have: unlimited forms, unlimited submissions, email notifications, form logic, collect payments, file upload, custom thank you page, and many more.

Web Hosting

• MDB GO - Free hosting for one project with two weeks Container TTL, 500 MB RAM per project, SFTP - 1G disk space.

Storage and Media Processing

• nitropack.io - Accelerate your site's speed on autopilot with complete front-end optimization (caching, images and code optimization, CDN). Free for up to 5,000 pageviews/month

Design and UI

• Lucide - Free customizable and consistent SVG icon toolkit.

Game Development

• Kenney - Free (CC0 1.0 Universal licensed) 2D, 3D, Audio, and UI game assets.

Nov 25, 2022

Analytics, Events and Statistics

• Hightouch - Hightouch is a Reverse ETL platform that helps you sync customer data from your data warehouse to your CRM, marketing, and support tools. The free tier offers you one destination to sync data to.

Nov 22, 2022

Design Inspiration

• Landings - [Web screenshots] Find the best landing pages for your design inspiration based on your preference.

Nov 21, 2022

Analytics, Events and Statistics

• Beampipe.io - Beampipe is simple, privacy-focussed web analytics. free for up to 5 domains & 10k monthly page views.

Nov 16, 2022

BaaS

• convex.dev - Reactive backend as a service, hosting your data (documents with relationships & serializable ACID transactions), serverless functions, and WebSockets to stream updates to various clients. Free for small projects - up to 1M records, 5M monthly function calls.

Nov 13, 2022

IDE and Code Editing

• GitPod — Instant, ready-to-code dev environments for GitHub projects. The free tier includes 50 hours/month.

Nov 03, 2022

APIs, Data, and ML

• Webhook Store - Tool for storing third-party webhooks and debug them on localhost (ngrok style). Open source and self-hostable. Free personal domain username.github.webhook.store, free public domains anything.webhook.store.

Nov 01, 2022

Monitoring

• appspector.com - Mission control for remote iOS/Android/Flutter debugging. Free for small traffic usage (64MB of logs).

Oct 24, 2022

APIs, Data, and ML

• Data Fetcher - Connect Airtable to any application or API with no code. Postman-like interface for running API requests in Airtable. Pre-built integrations with dozens of apps. The free plan includes 100 runs per month.

Web Hosting

• DigitalOcean - Build and deploy three static sites for free on the App Platform Starter tier.

Oct 23, 2022

Authentication, Authorization, and User Management

• asgardeo.io - Seamless Integration of SSO, MFA, passwordless auth and more. Includes SDKs for frontend and backend apps. Free up to 1000 MAUs and five identity providers.

• Authgear - Bring Passwordless, OTPs, 2FA, SSO to your apps in minutes. All Front-end included. Free up to 5000 MAUs.

• Authress — Authentication login and access control, unlimited identity providers for any project. Facebook, Google, Twitter and more. The first 1000 API calls are free.

• Authy - Two-factor authentication (2FA) on multiple devices, with backups. Drop-in replacement for Google Authenticator. Free for up to 100 successful authentications.

• duo.com — Two-factor authentication (2FA) for website or app. Free for ten users, all authentication methods, unlimited, integrations, hardware tokens.

• logintc.com — Two-factor authentication (2FA) by push notifications, free for ten users, VPN, Websites, and SSH

• MojoAuth - MojoAuth makes it easy to implement Passwordless authentication on your web, mobile, or any application in minutes.

• onelogin.com — Identity as a Service (IDaaS), Single Sign-On Identity Provider, Cloud SSO IdP, three company apps, and five personal apps, unlimited users

• Ory - AuthN/AuthZ/OAuth2.0/Zero Trust managed security platform. Forever free developer accounts with all security features, unlimited team members, 200 daily active users, and 25k/mo permission checks.

• SuperTokens - Open source user authentication that natively integrates into your app - enabling you to get started quickly while controlling the user and developer experience. Free for up to 5000 MAUs.

• Warrant — Hosted enterprise-grade authorization and access control service for your apps. The free tier includes 1 million monthly API requests and 1,000 authz rules.

Oct 21, 2022

Authentication, Authorization, and User Management

• ZITADEL Cloud — A turnkey user and access management that works for you and supports multi-tenant (B2B) use cases. Free for up to 25,000 authenticated requests, with all security features (no paywall for OTP, Passwordless, Policies, and so on).

Oct 19, 2022

Game Development

• Game Icons - Free styleable SVG/PNG icons provided under a CC-BY license.

Oct 18, 2022

Messaging and Streaming

• engagespot.co — Multi-channel notification infrastructure for developers with a prebuilt in-app inbox and no-code template editor. Free plan includes 10,000 messages/mo.

Oct 17, 2022

APIs, Data, and ML

• JSON2Video - A video editing API to automate video marketing and social media videos, programmatically or with no code.

Managed Data Services

• filess.io - filess.io is a platform where you can create one database of the following DBMS for free: MySQL, MariaDB, MongoDB, and PostgreSQL.

Oct 15, 2022

Managed Data Services

• codehooks.io — Easy to use JavaScript serverless API/backend and NoSQL database service with functions, Mongdb-ish queries, key/value lookups, a job system, realtime messages, worker queues, a powerful CLI and a web-based data manager. Free plan has 5GB storage and 60/API calls per minute. 2 developers included. No credit-card required.

Oct 14, 2022

Design and UI

• Branition - Hand-curated color pallets best fitted for brands.

Oct 10, 2022

Feature Toggles Management Platforms

• Flagsmith - Release features with confidence; manage feature flags across web, mobile, and server-side applications. Use our hosted API, deploy to your own private cloud, or run on-premise.

Oct 09, 2022

Tools for Teams and Collaboration

• Hackmd.io - Real time collaboration & writing tool for markdown format docs/files. Like Google Docs but for markdown files. Free unlimited number of "notes", but the number of collaborators (invitee) for private notes & template will be limited.

Security and PKI

• CyberChef — A simple, intuitive web app for analyzing and decoding/encoding data without dealing with complex tools or programming languages. Like a Swiss army knife of cryptography & encryption. All features are free to use, with no limit. Open source if you wish to self-host.

Search

• CommandBar - Unified Search Bar as-a-service, web-based UI widget/plugin that allows your users to search contents, navigations, features, etc. within your product, which helps discoverability. Free for up to 1,000 Monthly Active Users, unlimited commands.

Email

• Proton Mail - Free secure email account service provider with built-in end-to-end encryption. Free 1GB storage.

• Tutanota - Free secure email account service provider with built-in end-to-end encryption, no ads, no tracking. Free 1GB storage. Which is also partially open source (⭐6.1k), so you can self-host.

Storage and Media Processing

• AndroidFileHost - Free file-sharing platform with unlimited speed, bandwidth, file count, download count, etc. It is mainly aimed for Android dev-related files like APK build, custom ROM & modifications, etc. But seems to accept any other files as well.

• freetools.site — Free online tools. Convert or edit documents, images, audio, video, and more.

• GoFile.io - Free file sharing and storage platform can be used via web-based UI & also API. unlimited file size, bandwidth, download count, etc. But it will be deleted when a file becomes inactive (no download for more than ten days).

Oct 08, 2022

Design and UI

• Wdrfree SVG - Black and White Free SVG Cut files.

Oct 06, 2022

APIs, Data, and ML

• Volca - Free API providing lists of technologies such as programming languages and database systems. Unlimited free requests.

Oct 02, 2022

CI and CD

• Make — The workflow automation tool lets you connect apps and automate workflows using UI. It supports many apps and the most popular APIs. Free for public GitHub repositories, and free tier with 100 Mb, 1000 Operations, and 15 minutes of minimum interval.

Security and PKI

• Escape GraphQL Quickscan - One-click security scan of your GraphQL endpoints. Free, no login required.

Sep 29, 2022

APIs, Data, and ML

• PromptLoop - Use AI and large language models like GPT-3 with a simple spreadsheet formula to transform, comprehend, and analyze text in Google Sheets. The first 2,000 credits are free each month.

Issue Tracking and Project Management

• Kiter.app - Let anyone organize their job search and track interviews, opportunities, and connections. Powerful web app and Chrome extension. Completely free.

Sep 27, 2022

Design and UI

• freeforcommercialuse.net — FFCU Worry-free model/property release stock photos

Sep 22, 2022

Forms

• Formester.com - Share and embed unique-looking forms on your website—no limits on the number of forms created or features restricted by the plan. Get up to 100 submissions every month for free.

Sep 21, 2022

Design and UI

• TeleportHQ - Low-code Front-end Design & Development Platform. TeleportHQ is the collaborative front-end platform to instantly create and publish headless static websites. Three free projects, unlimited collaborators, and free code export.

Sep 20, 2022

Forms

• Form-Data - No-code forms backend. Spam filter, email notification and auto-respond, webhooks, zapier, redirects, AJAX or POST, and more. The free plan offers unlimited forms, 20 submissions/month, and an additional 2000 submissions with Form-Data badge.

Sep 19, 2022

APIs, Data, and ML

• DynamicDocs - Generate PDF documents with JSON to PDF API based on LaTeX templates. The free plan allows 50 API calls per month and access to a library of templates.

PaaS

• Napkin - FaaS with 500Mb of memory, a default timeout of 15 seconds, and 5,000 free API calls/month rate-limited to 5 calls/second.

Sep 11, 2022

Storage and Media Processing

• internxt.com – Internxt Drive is a zero-knowledge file storage service based on absolute privacy and uncompromising security. Sign up and get 10 GB for free, forever!

Sep 09, 2022

Design and UI

• okso.app - Minimalistic online drawing app. Allows to create fast sketches and visual notes. Exports sketches to PNG, JPG, SVG, and WEBP. Also installable as PWA. Free to use for everyone (no registration is needed).

Sep 06, 2022

CI and CD

• microtica.com - Startup environments with ready-made infrastructure components, deploy apps on AWS for free, and support your production workloads. The free tier includes 1 Environment (on your AWS account), 2 Kubernetes Services, 100 build minutes per month, and 20 monthly deployments.

Sep 04, 2022

Design and UI

• easyvectors.com — EasyVectors.com is a free SVG vector art stock. Download the best vector graphics absolutely for free.

Sep 03, 2022

Tools for Teams and Collaboration

• Rocket.Chat - Open-source communication platform with Omnichannel features, Matrix Federation, Bridge with others apps, Unlimited messaging, and Full messaging history.

• tldraw.com — Free open-source white-boarding and diagramming tool with intelligent arrows, snapping, sticky notes, and SVG export features. Multiplayer mode for collaborative editing. Free official VS Code extension available as well.

Aug 31, 2022

Analytics, Events and Statistics

• Cauldron — Analytics open source solution that allows users to aggregate information from multiple collaboration platforms as different types of data sources (Git, Github, and Gitlab). The free tier includes an unlimited number of reports.

Other Free Resources

• Utils.fun — All offline daily and development tools based on the browser's computing power, including watermark generation, screen recording, encoding and decoding, encryption and decryption, and code formatting, are completely free and do not upload any data to the cloud for processing.

Aug 30, 2022

APIs, Data, and ML

• konghq.com — API Marketplace and powerful private and public API tools. With the free tier, some features such as monitoring, alerting, and support, are limited.

Issue Tracking and Project Management

• diagrams.net — Online diagrams stored locally in Google Drive, OneDrive, or Dropbox. Free for all features and storage levels

Data Visualization on Maps

• nextbillion.ai - Maps related services: Geocoding, Navigation (Direction, Routing, Route Optimization, Distance Matrix), Maps SDK (Vector, Static, Mobile SDK). Free with specified quota for each services.

Screenshot APIs

• Screenshots — Your API for Screenshots. With highly customizable options for capture. Free 100 screenshots/month.

Aug 28, 2022

CDN and Protection

• Gcore Global content delivery network, 1 TB and 1 million requests per month free and free DNS hosting

Aug 27, 2022

Storage and Media Processing

• kvstore.io — Key-value storage service. The free tier allows 100 keys, 1KB/key, 100 calls/hour

Aug 26, 2022

PaaS

• domcloud.co – Linux hosting service that provides CI/CD with GitHub, SSH, and MariaDB/Postgres database. The free version has 1 GB storage and 1 GB network/month limit and is limited to a free domain.

Aug 25, 2022

Security and PKI

• Dotenv — Sync your .env files, quickly & securely. Stop sharing your .env files over insecure channels like Slack and email, and never lose an important .env file again. Free for up to 3 teammates.

Aug 24, 2022

Security and PKI

• Doppler — Universal Secrets Manager for application secrets and config, with support for syncing to various cloud providers. Free for five users with basic access controls.

Aug 22, 2022

PaaS

• Deno Deploy - Distributed system that runs JavaScript, TypeScript, and WebAssembly at the edge worldwide. The free tier includes 100,000 requests per day and 100 GiB data transfers per month.

Storage and Media Processing

• Imgbot — Imgbot is a friendly robot that optimizes your images and saves you time. Optimized images mean smaller file sizes without sacrificing quality. It's free for open source.

• resmush.it — reSmush.it is a FREE API that provides image optimization. reSmush.it has been implemented on the most common CMS such as WordPress, Drupal, or Magento. reSmush.it is the most used image optimization API with more than seven billion images already treated, and it is still Free of charge.

Aug 20, 2022

Email

• Takeout - A constantly updated email service that makes sending emails easy. Five hundred transactional emails/month free.

Aug 16, 2022

Design and UI

• vector.express — Convert your AI, CDR, DWG, DXF, EPS, HPGL, PDF, PLT, PS and SVG vector fast and easily.

Aug 15, 2022

Payment and Billing Integration

• Adapty.io – One-stop solution with open-source SDK for mobile in-app subscription integration to iOS, Android, React Native, Flutter, Unity, or web app. Free up to $10k monthly revenue.

Aug 11, 2022

Monitoring

• OnlineOrNot.com - OnlineOrNot provides uptime monitoring for websites and APIs, monitoring for cron jobs and scheduled tasks. Also provides status pages. The first five checks with a 3-minute interval are free. The free tier sends alerts via Slack, Discord, and Email.

Aug 10, 2022

Game Development

• LoSpec — Online tools for creating pixel art and other restrictive digital art, lots of tutorials/pallet list available to choose from for your games

Aug 08, 2022

Tools for Teams and Collaboration

• Quidlo Timesheets - A simple timesheet and time tracking app for teams. The free plan has time tracking and generating reports features for up to 10 users.

Aug 01, 2022

Tools for Teams and Collaboration

• windmill.dev - Windmill is an open-source developer platform to quickly build production-grade multi-step automation and internal apps from minimal Python and Typescript scripts. As a free user, you can create and be a member of at most three non-premium workspaces.

Jul 31, 2022

Design and UI

• Superdesigner - A collection of free design tools to create unique backgrounds, patterns, shapes, images, and more with just a few clicks.

Jul 30, 2022

Forms

• FormKeep.com - Unlimited forms with 50 monthly submissions, spam protection, email notification, and a drag-and-drop designer that can export HTML. Additional features include custom field rules, teams, and integrations to Google Sheets, Slack, ActiveCampaign, and Zapier.

Jul 27, 2022

Other Free Resources

• WrapPixel — Download High Quality Free and Premium Admin dashboard template created with Angular, React, VueJs, NextJS, and NuxtJS!

Jul 26, 2022

Testing

• katalon.com - Provides a testing platform that can help teams of all sizes at different levels of testing maturity, including Katalon Studio, TestOps (+ Visual Testing free), TestCloud, and Katalon Recorder.

Jul 25, 2022

Monitoring

• Better Stack - Uptime monitoring, incident management, on-call scheduling/alerting, and status pages in a single product. The free plan includes ten monitors with 3-minute check frequency and status pages.

Crash and Exception Handling

• memfault.com — Cloud device observability and debugging platform. 100 devices free for Nordic, NXP, and Laird devices.

Jul 21, 2022

Major Cloud Providers

• Google Cloud Platform
  • App Engine - 28 frontend instance hours per day, nine backend instance hours per day
  • Cloud Firestore - 1GB storage, 50,000 reads, 20,000 writes, 20,000 deletes per day
  • Compute Engine - 1 non-preemptible e2-micro, 30GB HDD, 5GB snapshot storage (restricted to certain regions), 1 GB network egress from North America to all region destinations (excluding China and Australia) per month
  • Cloud Storage - 5GB, 1GB network egress
  • Cloud Shell - Web-based Linux shell/primary IDE with 5GB of persistent storage. 60 hours limit per week
  • Cloud Pub/Sub - 10GB of messages per month
  • Cloud Functions - 2 million invocations per month (includes both background and HTTP invocations)
  • Cloud Run - 2 million requests per month, 360,000 GB-seconds memory, 180,000 vCPU-seconds of compute time, 1 GB network egress from North America per month
  • Google Kubernetes Engine - No cluster management fee for one zonal cluster. Each user node is charged at standard Compute Engine pricing
  • BigQuery - 1 TB of querying per month, 10 GB of storage each month
  • Cloud Build - 120 build-minutes per day
  • Cloud Source Repositories - Up to 5 Users, 50 GB Storage, 50 GB Egress
  • Google Colab - Free Jupyter Notebooks development environment.
  • Full, detailed list - https://cloud.google.com/free

Jul 20, 2022

Messaging and Streaming

• knock.app – Notifications infrastructure for developers. Send to multiple channels like in-app, email, SMS, Slack, and push with a single API call. The free plan includes 10,000 messages/mo.

• webpushr - Web Push Notifications - Free for upto 10k subscribers, unlimited push notifications, in-browser messaging

Jul 18, 2022

IaaS

• Idrive e2 - S3 compatibility object storage. 10 GB free storage and 10 GB download bandwidth per month.

Jul 17, 2022

Tools for Teams and Collaboration

• flat.social - Interactive customizable spaces for team meetings & happy hours socials. Unlimited meetings, free up to 8 concurrent users.

Jul 14, 2022

Tools for Teams and Collaboration

• Sema - Free developer portfolio tool able to consolidate and snapshot contributions across multiple repositories into a single report.

CMS

• GatsbyjsCMS - Gatsby is the fast and flexible framework that makes building websites with any CMS, API, or database fun again. Build and deploy headless websites that drive more traffic, convert better, and earn more revenue!

Tunneling, WebRTC, Web Socket Servers and Other Routers

• LocalXpose — Reverse proxy that enables you to expose your localhost servers to the internet. The free plan has 15 minutes tunnel lifetime.

Game Development

• Rive - Community assets as well as create your own game assets using its free plan.

Other Free Resources

• get.localhost.direct — A better *.localhost.direct Wildcard public CA signed SSL cert for localhost development with sub-domain support

• Buttons Generator — 100+ buttons you can use in your project.

Jul 12, 2022

IaaS

• C2 Object Storage - S3 compatibility object storage. 15 GB free storage and 15 GB downloads per month.

Jul 11, 2022

BaaS

• Supabase — The Open Source Firebase Alternative to build backends. Free Plan offers Authentication, Realtime Database & Object Storage.

Design and UI

• Canva - Free online design tool to create visual content.

IDE and Code Editing

• Visual Studio Code - Code editor redefined and optimized for building and debugging modern web and cloud applications. Developed by Microsoft.

Jul 08, 2022

Artifact Repos

• Gemfury — Private and public artifact repos for Maven, PyPi, NPM, Go Module, Nuget, APT, and RPM repositories. Free for public projects.

Jul 07, 2022

PaaS

• YepCode - All-in-one platform to connect APIs and services in a serverless environment. It brings all the agility and benefits of NoCode tools but with all the power of using programming languages. The free tier includes 1.000 yeps.

Jul 01, 2022

Storage and Media Processing

• Shotstack - API to generate and edit video at scale. Free up to 20 minutes of rendered video per month

Jun 30, 2022

APIs, Data, and ML

• DB-IP - Free IP geolocation API with 1k request per IP per day.lite database under the CC-BY 4.0 License is free too.

Jun 28, 2022

Testing

• BugBug - Lightweight test automation tool for web applications. It is easy to learn and doesn't require coding. You can run unlimited tests on your own computer for free. You also get cloud monitoring and CI/CD integration for an additional monthly fee.

Crash and Exception Handling

• elmah.io — Error logging and uptime monitoring for web developers. Free Small Business subscription for open-source projects.

Jun 27, 2022

Tunneling, WebRTC, Web Socket Servers and Other Routers

• ZeroTier — FOSS managed virtual Ethernet as a service. Unlimited end-to-end encrypted networks of 25 clients on the free plan. Clients for desktop/mobile/NA; web interface for configuration of custom routing rules and approval of new client nodes on private networks

Jun 25, 2022

Remote Desktop Tools

• RustDesk - Open source virtual/remote desktop infrastructure for everyone!

Jun 22, 2022

Design and UI

• css-gradient.com - Free tool to quickly generate custom cross-browser CSS gradients. In RGB and HEX format.

Jun 21, 2022

Game Development

• Poly Pizza - Free low poly 3D assets

Jun 20, 2022

CMS

• InstaWP - Launch a WordPress site in a few seconds. A free tier with 5 Active Sites, 500 MB Space, 48 hrs Site Expiry.

Jun 18, 2022

APIs, Data, and ML

• Stoplight - Saas for collaboratively designing and documenting for APIs. The free plan offers free design, mocking, and documentation tools.

Jun 17, 2022

Tools for Teams and Collaboration

• Dyte - The most developer-friendly live video & audio SDK, featuring collaborative plugins to enhance productivity and engagement. The free tier includes monthly 10,000 minutes of live video/audio usage.

Jun 15, 2022

Design and UI

• ColorKit - Create color palettes online or get inspiration from top palettes.

Miscellaneous

• CodeToImage - Create screenshots of code or text to share on social media.

• OnlineExifViewer — View EXIF data online instantly for a photo including GPS location and metadata.

• Sunrise and Sunset - Get sunrise and sunset times for a given longitude and latitude.

Jun 14, 2022

Screenshot APIs

• Httpic.com — Turn any website into jpg, png or pdf. Capture full-page screenshots, adjust the viewport, and inject custom code. Free tier at 150 images/month.

Jun 12, 2022

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Hookdeck — Develop, test, and monitor your webhooks from anywhere. 100K requests and 100K attempts per month with three days retention.

Jun 11, 2022

Managed Data Services

• TiDB Cloud — TiDB is an open-source MySQL-compatible distributed HTAP RDBMS. TiDB Serverless provides 5GB of row storage, 5GB of column storage, and 50 million Request Units (RUs) for free each month.

Jun 10, 2022

DNS

• sslip.io — Free DNS service that when queried with a hostname with an embedded IP address returns that IP address.

Jun 06, 2022

CI and CD

• Argonaut - Deploy apps and infrastructure on your cloud in minutes. Support for custom and third-party app deployments on Kubernetes and Lambda environments. The free tier allows unlimited apps and deployments for 5 domains and 2 users.

Jun 01, 2022

IaaS

• Tebi - S3 compatibility object storage.Free 25 GB storage and 250GB outbound transfer.

May 30, 2022

APIs, Data, and ML

• IP Geolocation API — IP Geolocation API from Abstract - Extensive free plan allowing 20,000 monthly requests.

May 27, 2022

Flutter Related and Building IOS Apps without Mac

• FlutLab - FlutLab is a modern Flutter online IDE and the best place to create, debug, and build cross-platform projects. Build iOS (Without a Mac) and Android apps with Flutter.

• CodeMagic - Codemagic is a fully hosted and managed CI/CD for mobile apps. You can build, test, and deploy with a GUI-based CI/CD tool. The free tier offers 500 free minutes/month and a Mac Mini instance with 2.3 GHz and 8 GB of RAM.

• FlutterFlow - FlutterFlow is a browser-based drag-and-drop interface to build mobile app using flutter.

Game Development

• itch.io — Free/Paid assets like sprites, tile sets, and character packs.

• GameDevMarket — Free/Paid assets like 2D, 3D, Audio, GUI.

• OpenGameArt — OpenSource Game Assets like music, sounds, sprites, and gifs.

• CraftPix — Free/Paid assets like 2D, 3D, Audio, GUI, backgrounds, icons, tile sets, game kits.

• ArtStation - MarketPlace for Free/Paid 2D, 3D assets & audios, icons, tile sets, game kits. Also, It can be used for showcasing your art portfolio.

May 23, 2022

Security and PKI

• DAS — Styra DAS Free, Full lifecycle policy management to create, deploy and manage Open Policy Agent(OPA) authorization

May 22, 2022

Email

• DNSExit - Up to 2 Email addresses under your domain for free with 100MB of storage space. IMAP, POP3, SMTP, SPF/DKIM support.

May 18, 2022

APIs, Data, and ML

• Geekflare API - Geekflare API lets you take screenshots, audit websites, TLS scan, DNS lookup, test TTFB, and more. The free plan offers 3,000 API requests.

May 15, 2022

APIs, Data, and ML

• file.coffee - A platform where you can store up to 15MB/file (30/MB file with an account).

May 14, 2022

Font

• Font of web - Identify all the fonts used on a website and how they are used.

May 13, 2022

APIs, Data, and ML

• IP2Location.io — Freemium, fast and reliable IP geolocation API to determine geolocation data like city, coordinates, ISP, etc. The free plan is available with 30k credits per month. Subscribe to paid plans for more advanced features or contact us for a personalized plan.

May 11, 2022

IDE and Code Editing

• code.cs50.io - Visual Studio Code for CS50 is a web app at code.cs50.io that adapts GitHub Codespaces for students and teachers.

May 10, 2022

Web Hosting

• fleek.co - Build modern sites and apps on the Open Web and its protocols seamlessly free for unlimited websites and 50 GB/month bandwidth.

Design and UI

• haikei.app - Haikei is a web app to generate unique SVG shapes, backgrounds, and patterns – ready to use with your design tools and workflow.

May 09, 2022

Log Management

• papertrailapp.com — 48 hours search, seven days archive, 50 MB/month

May 08, 2022

APIs, Data, and ML

• Hex - a collaborative data platform for notebooks, data apps, and knowledge libraries. Free community version with up to 3 authors and five projects. One compute profile per author with 4GB RAM.

May 05, 2022

Font

• Befonts - Provides several unique fonts for personal or commercial use.

May 02, 2022

Source Code Repos

• chiselapp.com — Unlimited public and private Fossil repositories

APIs, Data, and ML

• Supportivekoala — Allows you to autogenerate images by your input via templates. The free plan allows you to create up to 100 images per week.

• Rapidapi - World’s Largest API Hub Millions of developers find and connect to thousands of APIs, API Development using fun challenges (with solutions!) and interactive examples.

• wolfram.com — Built-in knowledge-based algorithms in the cloud.

Web Hosting

• Free Hosting — Free Hosting With PHP 5, Perl, CGI, MySQL, FTP, File Manager, POP E-Mail, free sub-domains, free domain hosting, DNS Zone Editor, Web Site Statistics, FREE Online Support and many more features not offered by other free hosts.

Managed Data Services

• YugabyteDB - YugabyteDB is a distributed SQL database compatible with PostgreSQL. The cloud-free tier includes two vCPU, 4GB RAM, and 10GB Disk.

IDE and Code Editing

• JSONPlaceholder Some REST API endpoints that return some fake data in JSON format. The source code is also available if you would like to run the server locally.

Browser-based hardware emulation written in Javascript

• Jor1k — an OpenRISC virtual machine capable of running Linux with network support.

Apr 30, 2022

APIs, Data, and ML

• Select Star - is an intelligent data discovery platform that automatically analyzes and documents your data. Free light tier with 1 Data Source, up to 100 Tables and 10 Users.

Email

• MailerSend.com — Email API, SMTP, 3,000 emails/month free for transactional emails

Apr 27, 2022

Email

• EmailLabs.io — Send up to 9,000 Emails for free every month, up to 300 emails daily.

Apr 26, 2022

Tools for Teams and Collaboration

• Gather - A better way to meet online. Centered around fully customizable spaces, Gather makes spending time with your communities just as easy as real life. Free for up to 10 concurrent users.

• Livecycle — Livecycle is an inclusive collaboration platform that makes workflows frictionless for cross-functional product teams and open-source projects.

Apr 16, 2022

Miscellaneous

• Cronhooks - Schedule on-time or recurring webhooks. The free plan allows 5 ad-hoc schedules.

Apr 13, 2022

Analytics, Events and Statistics

• Uptrace - Distributed Tracing Tool that helps developers pinpoint failures and find performance bottlenecks. Has a free plan, offers a complimentary Personal subscription for open-source projects, and has an open-source version.

Apr 11, 2022

APIs, Data, and ML

• Data Miner - A browser extension (Google Chrome, MS Edge) for data extraction from web pages CSV or Excel. The free plan gives you 500 pages/month.

Tools for Teams and Collaboration

• Teamhood - Free Project, Task, and Issue-tracking software. Supports Kanban with Swimlanes and full Scrum implementation. Has integrated time tracking. Free for five users and three project portfolios.

Issue Tracking and Project Management

• Lucidchart - An online diagram tool with collaboration features. Free plan with three editable documents, 100 professional templates, and basic collaboration features.

Apr 09, 2022

Cloud management solutions

• Pulumi — Modern infrastructure as a code platform that allows you to use familiar programming languages and tools to build, deploy, and manage cloud infrastructure.

• terraform.io — Terraform Cloud. Free remote state management and team collaboration for up to 500 resources.

Apr 07, 2022

Testing

• Cypress Recorder by Preflight - Create AI-powered Cypress Tests/POM models on your browser. It's open-source, except for the AI part. It's free for five monthly test creations with Self-healing scripts, Email, and Visual testing.

Apr 06, 2022

Testing

• preflight.com - No-code automated web testing. Record tests on your browser that are resilient to UI changes and run them on Windows machines. Could you integrate with your CI/CD? The free plan includes 50 monthly test runs with video, HTML sessions, and more.

Apr 03, 2022

CDN and Protection

• weserv — An image cache & resize service. Manipulate images on the fly with a worldwide cache.

Apr 02, 2022

Storage and Media Processing

• file.io - 2 GB storage of files. A file is auto-deleted after one download. REST API to interact with the storage. Rate limit one request/minute.

Mar 31, 2022

Translation Management

• Tolgee - Free SaaS offering with limited translations, forever-free self-hosted version

Mar 26, 2022

Email

• Mutant Mail – Free 10 Email IDs, 1 Domain, 1 Mailbox. Single Mailbox for All Email IDs.

Mar 24, 2022

APIs, Data, and ML

• Preset Cloud - A hosted Apache Superset service. Forever free for teams of up to 5 users, featuring unlimited dashboards and charts, a no-code chart builder, and a collaborative SQL editor.

Data Visualization on Maps

• geojs.io - Highly available REST/JSON/JSONP IP Geolocation lookup API.

Mar 21, 2022

APIs, Data, and ML

• Observable — a place to create, collaborate, and learn with data. Free: Unlimited notebooks, Unlimited publishing, Five editors per notebook.

Translation Management

• Translized - Free up to 1000 strings, one user, unlimited languages, unlimited projects

Mar 20, 2022

Storage and Media Processing

• getpantry.cloud — A simple JSON data storage API perfect for personal projects, hackathons, and mobile apps!

Mar 15, 2022

Log Management

• logz.io — Free up to 1 GB/day, one day retention

Mar 13, 2022

Remote Desktop Tools

• RemSupp — On-demand support and permanent access to devices (2 sessions/day for free)

Mar 11, 2022

Code Generation

• tabnine.com — Tabnine helps developers create better software faster by providing insights learned from all the code in the world. Plugin available.

Mar 09, 2022

Other Free Resources

• UseCSV by Layercode — Add CSV and Excel import to your web app in minutes. Give your users an enjoyable and robust data import experience. Get Started for Free without any credit card details, and start integrating UseCSV today. You can create unlimited Importers and upload files up to 100Mb.

Mar 05, 2022

Analytics, Events and Statistics

• Census — Reverse ETL & Operational Analytics Platform. Sync 10 fields from your data warehouse to 60+ SaaS like Salesforce, Zendesk, or Amplitude.

Mar 04, 2022

Managed Data Services

• redislabs - Free 30MB redis instance

Mar 03, 2022

Monitoring

• RoboMiri.com - RoboMiri is a stable uptime monitor that offers a wide range of monitors: cronjob, keyword, website, port, ping. Twenty-five uptime checks with 3-minute interval checks for free. Alerts via Phone Call, SMS, Email, and Webhooks.

IDE and Code Editing

• PHPSandbox — Online development environment for PHP

Feb 28, 2022

Tools for Teams and Collaboration

• ruttl.com — The best all-in-one feedback tool to collect digital feedback and review websites, PDFs, and images.

Issue Tracking and Project Management

• teleretro.com — Simple and fun retrospective tool with icebreakers, gifs and emojis. The free plan includes three retros and unlimited members.

Feb 27, 2022

Tools for Teams and Collaboration

• Stickies - Visual collaboration app used for brainstorming, content curation, and notes. Free for up to 3 Walls, unlimited users, and 1 GB storage.

Issue Tracking and Project Management

• Shake - In-app bug reporting and feedback tool for mobile apps. Free plan, ten bug reports per app/month.

Feb 26, 2022

Translation Management

• Lecto - Machine Translation API with Free tier (30 free requests, 1000 translated characters per request). Integrated with the Loco Translate Wordpress plugin.

Feb 24, 2022

APIs, Data, and ML

• SaturnCloud - Data science cloud environment that allows running Jupyter notebooks and Dask clusters. Thirty hours of free computation and 3 hours of Dask per month.

Feb 23, 2022

Domain

• eu.org — Free eu.org domain. The request is usually approved in 14 days.

• pp.ua — Free pp.ua subdomains.

Feb 22, 2022

Monitoring

• cronitor.io - Performance insights and uptime monitoring for cron jobs, websites, APIs and more. A free tier with five monitors.

Feb 19, 2022

Log Management

• loggly.com — Free for a single user, 200MB/day with seven days retention

Forms

• FabForm - Form backend platform for intelligent developers. The free plan allows 250 form submissions per month. Friendly modern GUI. Integrates with Google Sheets, Airtable, Slack, Email, and others.

Feb 13, 2022

Major Cloud Providers

• Microsoft Azure
  • Virtual Machines - 1 B1S Linux VM, 1 B1S Windows VM (12mo)
  • App Service - 10 web, mobile, or API apps (60 CPU minutes/day)
  • Functions - 1 million requests per month
  • DevTest Labs - Enable fast, easy, and lean dev-test environments
  • Active Directory - 500,000 objects
  • Active Directory B2C - 50,000 monthly stored users
  • Azure DevOps - 5 active users, unlimited private Git repos
  • Azure Pipelines — 10 free parallel jobs with unlimited minutes for open source for Linux, macOS, and Windows
  • Microsoft IoT Hub - 8,000 messages per day
  • Load Balancer - 1 free public load-balanced IP (VIP)
  • Notification Hubs - 1 million push notifications
  • Bandwidth - 15GB Inbound(12mo) & 5GB egress per month
  • Cosmos DB - 25GB storage and 1000 RUs of provisioned throughput
  • Static Web Apps — Build, deploy, and host static apps and serverless functions with free SSL, Authentication/Authorization, and custom domains
  • Storage - 5GB LRS File or Blob storage (12mo)
  • Cognitive Services - AI/ML APIs (Computer Vision, Translator, Face detection, Bots, etc) with free tier including limited transactions
  • Cognitive Search - AI-based search and indexation service, free for 10,000 documents
  • Azure Kubernetes Service - Managed Kubernetes service, free cluster management
  • Event Grid - 100K ops/month
  • Full, detailed list - https://azure.microsoft.com/free/

Feb 09, 2022

CI and CD

• Spacelift - Management platform for Infrastructure as Code. Free plan features: IaC collaboration, Terraform module registry, ChatOps integration, Continuous resource compliance with Open Policy Agent, SSO with SAML 2.0, and access to public worker pools: up to 200 minutes/month

Feb 01, 2022

APIs, Data, and ML

• Dataimporter.io - Tool for connecting, cleaning, and importing data into Salesforce. Free Plan includes up to 20,000 records per month.

Jan 30, 2022

Design and UI

• svgrepo.com - Explore, search, and find the best-fitting icons or vectors for your projects using various vector libraries. Download free SVG Vectors for commercial use.

Jan 28, 2022

APIs, Data, and ML

• Coupler - Data integration tool that syncs between apps. It can create live dashboards and reports, transform and manipulate values, and collect and back up insights. The free plan has unlimited users, 100 runs with 1000 monthly rows, and unlimited integrations.

Jan 26, 2022

DNS

• Hetzner – Free DNS hosting from Hetzner with API support.

IaaS

• filebase.com - S3 Compatible Object Storage Powered by Blockchain. 5 GB free storage for an unlimited duration.

Dev Blogging Sites

• Hashnode — Hassle-free Blogging Software for Developers!.

Jan 25, 2022

Security and PKI

• GitGuardian — Keep secrets out of your source code with automated secrets detection and remediation. Scan your git repos for 350+ types of secrets and sensitive files – Free for individuals and teams of 25 developers or less.

Jan 24, 2022

Tools for Teams and Collaboration

• nootiz - The go-to tool for gathering and managing visual feedback on any website

Jan 21, 2022

CMS

• Sanity.io - Platform for structured content with an open-source editing environment and a real-time hosted data store. Unlimited projects. Unlimited admin users, three non-admin users, two datasets, 500K API CDN requests, 10GB bandwidth, and 5GB assets included for free per project.

Forms

• formpost.app - Free, unlimited Form to Email service. Set up custom redirects, auto-response, webhooks, etc. for free.

Jan 20, 2022

PaaS

• Northflank — Build and deploy microservices, jobs, and managed databases with a powerful UI, API & CLI. Seamlessly scale containers from version control and external Docker registries. The free tier includes two services, two cron jobs and 1 database.

Jan 18, 2022

Code Quality

• Moderne.io — Automatic source code refactoring. Moderne offers framework migrations, code analysis with remediation, and unrivaled code transformation at scale, so developers can spend their time building new things instead of maintaining the old. Free for Open Source.

Testing

• snippets.uilicious.com - It's like CodePen but for cross-browser testing. UI-licious lets you write tests like user stories and offers a free platform - UI-licious Snippets - that allows you to run unlimited tests on Chrome with no sign-up required for up to 3 minutes per test run. Found a bug? You can copy the unique URL to your test to show your devs exactly how to reproduce the bug.

Managed Data Services

• Dgraph Cloud — Managed native Graph DBMS with a GraphQL API. Limited to 1 MB data transfer per day.

Jan 17, 2022

APIs, Data, and ML

• Bruzu — Automate Image production. Generate tons of Image variants with API, Integrations, or nocode sheet. API is FREE with a watermark.

Messaging and Streaming

• eyeson API - A video communication API service based on WebRTC (SFU, MCU) to build video platforms. Allows real-time data Injection, Video Layouts, Recordings, a fully featured hosted web UI (quickstart) or packages for custom UIs. Has a free tier for developers with 1000 meeting minutes a month.

PaaS

• Meteor Cloud — Galaxy hosting. Meteor's platform-as-a-service for Meteor apps includes free MongoDB Shared Hosting and automatic SSL.

BaaS

• nhost.io - Serverless backend for web and mobile apps. The free plan includes PostgreSQL, GraphQL (Hasura), Authentication, Storage, and Serverless Functions.

Design and UI

• tabler-icons.io — Over 1500 free copy-and-paste SVG editable icons.

• react-favicon.com - Generate Favicons for your website using React and JSX using any font and icon library.

IDE and Code Editing

• codiga.io — Coding Assistant that lets you search, define, and reuse code snippets directly in your IDE. Free for individual and small organizations.

Analytics, Events and Statistics

• PostHog - Full Product Analytics suite free for up to 1m tracked events per month. Also provides unlinited in-App Surveys with 250/month responses.

Jan 14, 2022

Tools for Teams and Collaboration

• PageShare.dev - Adds visual review capabilities into GitHub Pull Requests with no need to deploy websites. Free for up to 10 pages each month and 100MB of storage in total.

Jan 02, 2022

Security and PKI

• hostedscan.com — Online vulnerability scanner for web applications, servers, and networks. Ten free scans per month.

Visitor Session Recording

• inspectlet.com — 2,500 sessions/month free for one website

• mouseflow.com — 500 sessions/month free for one website

Dec 30, 2021

APIs, Data, and ML

• GoodData - Data as a Service - Create interactive and insightful dashboards. The free tier comes with five workspaces and 100 MB/workspace.

Tools for Teams and Collaboration

• /meet for Slack - Start Google Meetings directly from Slack by using /meet in any channel, group, or DM. Free without any limitations.

Testing

• Testspace.com - A Dashboard for publishing automated test results and a Framework for implementing manual tests as code using GitHub. The service is free for Open Source and accounts for 450 monthly results.

Forms

• HeyForm.net - Drag and drop online form builder. The free tier lets you create unlimited forms and collect unlimited submissions. Comes with pre-built templates, anti-spam, and 100MB file storage.

Dec 27, 2021

Design and UI

• Gradientos - Makes choosing a gradient fast and easy.

Dec 24, 2021

Forms

• Qualtrics Survey — Create professional forms & survey using this first class tool. 50+ expert-designed survey templates. Free Account has a limit of 1 active survey, 100 responses/survey & 8 response types.

• stepFORM.io - Quiz and Form Builder. The free plan has five forms, up to 3 steps per form, and 50 monthly responses.

• WebAsk - Survey and Form Builder. The free plan has three surveys per account, 100 monthly responses, and ten elements per survey.

• Wufoo - Quick forms to use on websites. The free plan has a limit of 100 submissions each month.

Dec 13, 2021

Source Code Repos

• OSDN - OSDN.net is a free-of-charge service for open-source software developers, offering SVN/Git/Mercurial/Bazaar/CVS repositories.

Dec 09, 2021

APIs, Data, and ML

• Public-Apis Github Repo (⭐317k) — A list of free public APIs.

Tunneling, WebRTC, Web Socket Servers and Other Routers

• localhost.run — Expose locally running servers over a tunnel to a public URL.

• localtunnel — Expose locally running servers over a tunnel to a public URL. Free hosted version, and open source (⭐19k).

• Radmin VPN — Connect multiple computers together via a VPN-enabling LAN-like network. Unlimited peers. (Hamachi alternative)

• Tailscale — Zero config VPN, using the open-source WireGuard protocol. Installs on MacOS, iOS, Windows, Linux, and Android devices. Free plan for personal use with 100 devices and three users.

Dec 08, 2021

Major Cloud Providers

• Cloudflare
  • Application Services - Free DNS for an unlimited number of domains, DDoS Protection, CDN along with free SSL, Firewall rules and page rules, WAF, Bot Mitigation, Free Unmetered Rate Limiting - 1 rule per domain, Analytics, Email forwarding
  • Zero Trust & SASE - Up to 50 Users, 24 hours of activity logging, three network locations
  • Cloudflare Tunnel - You can expose locally running HTTP port over a tunnel to a random subdomain on trycloudflare.com use Quick Tunnels, No account required. More features (TCP tunnel, Load balancing, VPN) in Zero Trust Free Plan.
  • Workers - Deploy serverless code for free on Cloudflare's global network—100k daily requests.
  • Workers KV - 100k read requests per day, 1000 write requests per day, 1000 delete requests per day, 1000 list requests per day, 1 GB stored data
  • R2 - 10 GB per month, 1 million Class A operations per month, 10 million Class B operations per month
  • D1 - 5 million rows read per day, 100k rows written per day, 1 GB storage
  • Pages - Develop and deploy your web apps on Cloudflare's fast, secure global network. Five hundred monthly builds, 100 custom domains, Integrated SSL, unlimited accessible seats, unlimited preview deployments, and full-stack capability via Cloudflare Workers integration.
  • Queues - 1 million operations per month
  • TURN – 1TB of free (outgoing) traffic per month.

Dec 06, 2021

Source Code Repos

• Bitbucket — Unlimited public and private Git repos for up to 5 users with Pipelines for CI/CD

Code Quality

• deepcode.ai — DeepCode finds bugs, security vulnerabilities, performance and API issues based on AI. DeepCode's speed of analysis allows us to analyze your code in real time and deliver results when you hit the save button in your IDE. Supported languages are Java, C/C++, JavaScript, Python, and TypeScript. Integrations with GitHub, BitBucket, and GitLab. Free for open source and private repos and up to 30 developers.

Monitoring

• Squadcast.com - Squadcast is an end-to-end incident management software designed to help you promote SRE best practices. Free forever plan available for up to 10 users.

CDN and Protection

• UNPKG — CDN for everything on npm

PaaS

• Glitch — Free public hosting with code sharing and real-time collaboration features. The free plan has a 1000-hours/month limit.

Web Hosting

• Neocities — Static, 1 GB free storage with 200 GB Bandwidth.

• Netlify — Builds, deploys and hosts static site/app free for 100 GB data and 100 GB/month bandwidth.

• SourceForge — Find, Create, and Publish Open Source software for free

Analytics, Events and Statistics

• GoatCounter — GoatCounter is an open-source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims to offer easy-to-use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo. The free tier is for non-commercial use and includes unlimited sites, six months of data retention, and 100k pageviews/month.

• Expensify — Expense reporting, free personal reporting approval workflow

• Keen — Custom Analytics for data collection, analysis and visualization. 1,000 events/month free

• Yandex.Metrica — Unlimited free analytics

• Mixpanel — 100,000 monthly tracked users, unlimited data history and seats, US or EU data residency

International Mobile Number Verification API and SDK

• numverify — Global phone number validation and lookup JSON API. 100 API requests/month

• veriphone — Global phone number verification in a free, fast, reliable JSON API. 1000 requests/month

Payment and Billing Integration

• CurrencyApi — Live Currency Rates for Physical and Cryptocurrencies, delivered in JSON and XML. The free tier offers 1,250 API requests/month.

• currencylayer — Reliable Exchange Rates and Currency Conversion for your Business, 100 API requests/month free.

• FraudLabsPRO — Help merchants to prevent payment fraud and chargebacks. Free Micro Plan available with 500 queries/month.

• MailPopin - Get the most of your Stripe notifications with contextualized information.

• Nami ML - Complete platform for in-app purchases and subscriptions on iOS and Android, including no-code paywalls, CRM, and analytics. Free for all base features to run an IAP business.

• RevenueCat — Hosted backend for in-app purchases and subscriptions (iOS and Android). Free up to $2.5k/mo in tracked revenue.

• vatlayer — Instant VAT number validation and EU VAT rates API, free 100 API requests/month

Vagrant Related

• Vagrant Cloud - HashiCorp Vagrant Cloud. Vagrant box hosting.

• Vagrantbox.es — An alternative public box index

Dev Blogging Sites

• BearBlog - Minimalist, Markdown-powered blog and website builder.

• Dev.to - Where programmers share ideas and help each other grow.

• Medium — Get more thoughtful about what matters to you.

Other Free Resources

• GitHub Education — Collection of free services for students. Registration required.

Dec 04, 2021

Security and PKI

• Datree — Open Source CLI tool to prevent Kubernetes misconfigurations by ensuring that manifests and Helm charts follow best practices as well as your organization’s policies

Storage and Media Processing

• imgen - Free unlimited social cover image generation API, no watermark

Dec 02, 2021

Testing

• lambdatest.com — Manual, visual, screenshot, and automated browser testing on selenium and cypress, free for Open Source

Dec 01, 2021

Web Hosting

• render.com — Unified cloud to build and run apps and sites with free SSL, a global CDN, private networks, auto-deploys from Git, and completely free plans for web services, databases, and static web pages.

Nov 30, 2021

Design Inspiration

• awwwards. - [Top websites] A showcase of all the best-designed websites (voted on by designers).

• Behance - [Design showcase] A place where designers showcase their work. Filterable with categories for UI/UX projects.

• dribbble - [Design showcase] Unique design inspiration, generally not from real applications.

• Mobbin - [Mobile screenshots] Save hours of UI & UX research with our library of 50,000+ fully searchable mobile app screenshots.

• Mobile Patterns - [Mobile screenshots] A design inspirational library featuring the finest UI UX Patterns (iOS and Android) for designers, developers, and product makers to reference.

• Screenlane - [Mobile screenshots] Get inspired and keep up with the latest web & mobile app UI design trends. Filterable by pattern and app.

• scrnshts - [Mobile screenshots] A hand-picked collection of the finest app store design screenshots.

• UI Garage - [Mobile / web screenshots] Daily UI inspiration & patterns for designers and developers to find inspiration, tools, and the best resources for your project.

Nov 28, 2021

Design and UI

• coolors - Color palette generator. Free.

Nov 24, 2021

Storage and Media Processing

• twicpics.com - Responsive images as a service. It provides an image CDN, a media processing API, and a frontend library to automate image optimization. The service is free for up to 3GB of traffic/per month.

Design and UI

• LottieFiles - The world’s largest online platform for the world’s most miniature animation format for designers, developers, and more. Access Lottie animation tools and plugins for Android, iOS, and Web.

Nov 23, 2021

Web Hosting

• Qoddi - PaaS service similar to Heroku with a developer-centric approach and all-inclusive features. Free tier for static assets, staging, and developer apps.

Nov 18, 2021

Web Hosting

• Alwaysdata — 100 MB free web hosting with support for MySQL, PostgreSQL, CouchDB, MongoDB, PHP, Python, Ruby, Node.js, Elixir, Java, Deno, custom web servers, access via FTP, WebDAV and SSH; mailbox, mailing list and app installer included.

Nov 15, 2021

Data Visualization on Maps

• maps.stamen.com - Free map tiles and tile hosting.

Nov 10, 2021

Miscellaneous

• Codepng - Create excellent snapshots from your source code to share on social media.

Nov 09, 2021

APIs, Data, and ML

• IPinfo — Fast, accurate, and free (up to 50k/month) IP address data API. Offers APIs with details on geolocation, companies, carriers, IP ranges, domains, abuse contacts, and more. All paid APIs can be trialed for free.

CMS

• DatoCMS - Offers free tier for small projects. DatoCMS is a GraphQL-based CMS. On the lower tier, you have 100k/month calls.

Managed Data Services

• Astra — Cloud Native Cassandra as a Service with 80GB free tier

Nov 06, 2021

Storage and Media Processing

• icedrive.net - Simple cloud storage service. 10 GB free storage

• sync.com - End-to-End cloud storage service. 5 GB of free storage

• pcloud.com - Cloud storage service. Up to 10 GB of free storage

IDE and Code Editing

• Binder - Turn a Git repo into a collection of interactive notebooks. It is a free public service.

Nov 04, 2021

APIs, Data, and ML

• PrefectCloud — A complete platform for dataflow automation. All plans include 20,000 free runs every month. That's enough to power ETL for most small businesses.

Nov 03, 2021

Issue Tracking and Project Management

• Shortcut - Project management platform. Free for up to 10 users forever.

Design and UI

• MagicPattern — A collection of CSS & SVG background generators & tools for gradients, patterns, and blobs.

Nov 02, 2021

Monitoring

• netdata.cloud — Netdata is an open-source tool to collect real-time metrics. It's a growing product and can also be found on GitHub!

Nov 01, 2021

Forms

• Hyperforms.app — Create a form to email and more in seconds and without backend code. The Personal account gives you up to 50 monthly form submissions for free.

Oct 31, 2021

APIs, Data, and ML

• ZenRows — Web Scraping API & proxy server that bypasses any anti-bot solution while offering javascript rendering, rotating proxies, and geotargeting. The free tier of 1000 API calls.

Oct 27, 2021

APIs, Data, and ML

• Export SDK - PDF generator API with drag-and-drop template editor that provides an SDK and no-code integrations. The free plan has 250 monthly pages, unlimited users, and three templates.

Oct 25, 2021

APIs, Data, and ML

• numlookupapi.com - Free phone number validation API - 100k free requests / month.

Translation Management

• Free PO editor — Free for everybody

Email

• Parsio.io — Free email parser (Forward email, extract the data, send it to your server)

Oct 23, 2021

APIs, Data, and ML

• ipaddress.sh — Simple service to get a public IP address in different formats.

Issue Tracking and Project Management

• Toggl — Provides two free productivity tools. Toggl Track for time management and tracking app with a free plan provides seamless time tracking and reporting designed with freelancers in mind. It has unlimited tracking records, projects, clients, tags, reporting, and more. And Toggl Plan for task planning with a free plan for solo developers with unlimited tasks, milestones, and timelines.

Analytics, Events and Statistics

• counter.dev — Web analytics made simple and therefore privacy friendly. Free or pay what you want by donation.

Oct 22, 2021

Managed Data Services

• cockroachlabs.com — Free CockroachDB up to 5GB and 1vCPU (limited request units)

Oct 17, 2021

APIs, Data, and ML

• Hybiscus - Build pdf reports using a simple declarative API. The free tier includes up to 100 single-page reports per month with the ability to customize color palettes and fonts.

Oct 15, 2021

Tools for Teams and Collaboration

• Fleep.io — Fleep an alternative to Slack. It has a free plan for small teams with full message history, unlimited 1:1 conversations, 1 group conversation, and 1 GB file storage.

• Chanty.com — Chanty is another alternative to Slack. It has a free forever plan for small teams (up to 10) with unlimited public and private conversations, searchable history, unlimited 1:1 audio calls, unlimited voice messages, ten integrations, and 20 GB storage per team.

Oct 14, 2021

APIs, Data, and ML

• vatcheckapi.com - Simple and free VAT number validation API. Five hundred free requests per month.

Oct 12, 2021

DNS

• 1.1.1.1 - Free public DNS Resolver, which is fast and secure (encrypt your DNS query), provided by Cloudflare. Useful to bypass your internet provider's DNS blocking, prevent DNS query spying, and to block adult & malware content. It can also be used via API. Note: Just a DNS resolver, not a DNS hoster.

Design and UI

• Pravatar - Generate a random/placeholder fake avatar whose URL can be directly hot-linked in your web/app.

• UI Avatars - Generate avatars with initials from names. The URLs can be directly hot-linked in your web/app. Support config parameters via the URL.

Oct 10, 2021

Web Hosting

• FreeFlarum - Community-powered free Flarum hosting for up to 250 users (donate to remove the watermark from the footer).

Oct 06, 2021

APIs, Data, and ML

• Mocky - A simple web app to generate custom HTTP responses for mocking HTTP requests. Also available as open source (⭐2.1k).

Miscellaneous

• Carbon.now.sh - create and share code snippets in an aesthetic screenshot-like image format. Usually used to aesthetically share/show off code snippets on Twitter or blog posts.

• QuickType.io - Quickly auto-generate models/class/type/interface and serializers from JSON, schema, and GraphQL for working with data quickly & safely in any programming language. Convert JSON into gorgeous, typesafe code in any language.

• ray.so - Create beautiful images of your code snippets.

Oct 04, 2021

APIs, Data, and ML

• CraftMyPDF - Auto-Generate PDF documents from reusable templates with a drop-and-drop editor and a simple API. The free plan comes with 100 PDFs/month and three templates.

Oct 03, 2021

Email

• dkimvalidator.com - Test if the email's DNS/SPF/DKIM/DMARC settings are correct, free service by roundsphere.com

Oct 02, 2021

APIs, Data, and ML

• huggingface.co - Build, train, and deploy NLP models for Pytorch, TensorFlow, and JAX. Free up to 30k input characters/mo.

Log Management

• logtail.com — ClickHouse-based SQL-compatible log management. Free up to 1 GB per month, three days retention.

Oct 01, 2021

Monitoring

• syagent.com — Noncommercial free server monitoring service, alerts and metrics.

Sep 30, 2021

BaaS

• hasura.io — Hasura extends your existing databases wherever it is hosted and provides an instant GraphQL API that can be securely accessed for web, mobile, and data integration workloads. Free for 1GB/month of data pass-through.

Managed Data Services

• Neo4j Aura — Managed native Graph DBMS / analytics platform with a Cypher query language and a REST API. Limits on graph size (50k nodes, 175k relationships).

• TigerGraph Cloud — Managed native Graph DBMS / analytics platform with a SQL-like graph query language and a REST API. One free instance with two vCPU, 8GB Memory, and 50GB storage that sleeps after 1 hour of inactivity.

Sep 28, 2021

APIs, Data, and ML

• Duply.co — Create dynamic images from API & URL, design template once and reuse it. The free tier offers 70 images/month creation from API & URL and Up to 100 through Form.

Sep 27, 2021

Design and UI

• Backlight — With collaboration between developers and designers at heart, Backlight is a complete coding platform where teams build, document, publish, scale, and maintain Design Systems. The free plan allows up to 3 editors to work on one design system with unlimited viewers.

• Mockplus iDoc - Mockplus iDoc is a powerful design collaboration & handoff tool. Free Plan includes three users and five projects with all features available.

IDE and Code Editing

• Components.studio - Code components in isolation, visualize them in stories, test them, and publish them on npm.

• WebComponents.dev — In-browser IDE to code web components in isolation with 58 templates available, supporting stories, and tests.

Sep 26, 2021

Monitoring

• instatus.com - Get a beautiful status page in 10 seconds. Free forever with unlimited subs and unlimited teams.

Sep 21, 2021

APIs, Data, and ML

• neptune.ai - Log, store, display, organize, compare, and query all your MLOps metadata. Free for individuals: 1 member, 100 GB of metadata storage, 200h of monitoring/month

Sep 20, 2021

Tools for Teams and Collaboration

• MarkUp — MarkUp lets you collect feedback directly on top of your websites, PDFs and images.

Other Free Resources

• Themeselection — Selected high quality, modern design, professional and easy-to-use Free Admin Dashboard Template, HTML Themes and UI Kits to create your applications faster!

Sep 19, 2021

Cloud management solutions

• Brainboard - Collaborative solution to visually build and manage cloud infrastructures from end-to-end.

Sep 18, 2021

Design and UI

• framer.com - Framer helps you iterate and animate interface ideas for your next app, website, or product—starting with powerful layouts. For anyone validating Framer as a professional prototyping tool: unlimited viewers, up to 2 editors, and up to 3 projects.

Sep 13, 2021

Monitoring

• economize.cloud — Economize helps demystify cloud infrastructure costs by organizing cloud resources to optimize and report the same. Free for up to $5,000 spent on Google Cloud Platform every month.

Sep 11, 2021

Log Management

• logflare.app — Free for up to 12,960,000 entries per app per month, 3 days retention

Sep 09, 2021

Font

• Fontshare - is a free fonts service. It’s a growing collection of professional-grade fonts, 100% free for personal and commercial use.

Sep 06, 2021

Storage and Media Processing

• uploadcare.com — Uploadcare provides the media pipeline with the ultimate toolkit based on cutting-edge algorithms. All features are available for developers absolutely for free: File Uploading API and UI, Image CDN and Origin Services, Adaptive Delivery, and Smart Compression. The free tier has 3000 uploads, 3 GB traffic, and 3 GB storage.

• degoo.com – AI based cloud storage with free up to 20 GB, three devices, 5 GB referral bonus (90 days account inactivity).

Sep 03, 2021

Design and UI

• Icon Horse – Get the highest resolution favicon for any website from our simple API.

Sep 02, 2021

Email

• EmailOctopus - Up to 2,500 subscribers and 10,000 emails per month free

IDE and Code Editing

• stackblitz.com — Online/Cloud Code IDE to create, edit, & deploy full-stack apps. Support any popular NodeJs-based frontend & backend frameworks. Shortlink to create a new project: https://node.new.

Sep 01, 2021

Tools for Teams and Collaboration

• GitDailies - Daily reports of your team's Commit and Pull Request activity on GitHub. Includes Push visualizer, peer recognition system, and custom alert builder. The free tier has unlimited users, three repos, and 3 alert configs.

Aug 30, 2021

Data Visualization on Maps

• geoapify.com - Vector and raster map tiles, geocoding, places, routing, isolines APIs. Three thousand free requests/day.

Aug 20, 2021

Email

• Antideo — 10 API requests per hour for email verification, IP, and phone number validation in the free tier. No Credit Cards are required.

• QuickEmailVerification — Verify 100 emails daily for free on a free tier along with other free APIs like DEA Detector, DNS Lookup, SPF Detector, and more.

Aug 19, 2021

Tools for Teams and Collaboration

• Discord — Chat with public/private rooms. Markdown text, voice, video, and screen sharing capabilities. Free for unlimited users.

• Telegram — Telegram is for everyone who wants fast, reliable messaging and calls. Business users and small teams may like the large groups, usernames, desktop apps, and powerful file-sharing options.

Aug 17, 2021

Other Free Resources

• SmallDev.tools — A free tool for developers that allows you to Encode/Decode various formats, Minify HTML/CSS/Javascript, Beautify, Generate Fake/Testing datasets in JSON/CSV & multiple other formats and many more features. With a delightful interface.

Aug 16, 2021

Translation Management

• Texterify - Free for a single user

Aug 07, 2021

Issue Tracking and Project Management

• Chpokify — Teams-based Planning Poker that saves time on sprint estimation. Free up to 5 users, free Jira integrations, unlimited video calls, unlimited teams, unlimited sessions.

Aug 05, 2021

Issue Tracking and Project Management

• Hygger — Project management platform. The free plan offers unlimited users, projects & boards with 100 MB of Storage.

Remote Desktop Tools

• Apache Guacamole™ — Open source clientless remote desktop gateway

Aug 04, 2021

APIs, Data, and ML

• Apify — Web scraping and automation platform to create an API for any website and extract data. Ready-made scrapers, integrated proxies, and custom solutions. Free plan with $5 platform credits included every month.

Remote Desktop Tools

• Getscreen.me — Free for 2 devices, no limits on the number and duration of sessions

Aug 03, 2021

Translation Management

• gitlocalize.com - Free and unlimited for both private and public repositories

Aug 01, 2021

Data Visualization on Maps

• Geokeo api - Geocoding API with language correction and more. Worldwide coverage. 2,500 free daily queries

Jul 28, 2021

Tools for Teams and Collaboration

• vadoo.tv — Video hosting and marketing made simple. Upload videos with a single click. Record, manage, share & more. The free tier provides up to 10 videos, 1 GB of storage, and 10 GB of bandwidth/per month

Jul 27, 2021

Security and PKI

• Bridgecrew — Infrastructure as code (IaC) security powered by the open source tool - Checkov (⭐7.1k). The core Bridgecrew platform is free for up to 50 IaC resources.

Jul 26, 2021

APIs, Data, and ML

• Efemarai - Testing and debugging platform for ML models and data. Visualize any computational graph. Free 30 debugging sessions per month for developers.

Jul 22, 2021

Forms

• HeroTofu.com - Forms backend with bot detection and encrypted archive. Forward submissions via UI to email, Slack, or Zapier. Use your own front end. No server code is required. The free plan gives unlimited forms and 100 submissions per month.

Jul 16, 2021

APIs, Data, and ML

• SerpApi - Real-time search engine scraping API. Returns structured JSON results for Google, YouTube, Bing, Baidu, Walmart, and many other machines. The free plan includes 100 successful API calls per month.

Jul 14, 2021

Email

• EmailJS – This is not an entire email server; this is just an email client that you can use to send emails right from the client without exposing your credentials, the free tier has 200 monthly requests, 2 email templates, Requests up to 50Kb, Limited contacts history.

Issue Tracking and Project Management

• ScrumFast - Scrum board with a very intuitive interface, free up to 5 users.

Jul 13, 2021

Design and UI

• Unicorn Platform - Effortless landing page builder with hosting. One website for free.

Jul 12, 2021

Email

• inboxkitten.com - Free temporary/disposable email inbox, with up to 3-day email auto-deletes. Open source and can be self-hosted.

Jul 11, 2021

APIs, Data, and ML

• Mocko.dev — Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integration tests.

Jul 07, 2021

Translation Management

• Localeum - Free up to 1000 strings, one user, unlimited languages, unlimited projects

Jul 06, 2021

APIs, Data, and ML

• Lightly — Improve your machine-learning models by using the correct data. Use datasets of up to 1000 samples for free.

Jul 04, 2021

Forms

• Formsubmit.co — Easy form endpoints for your HTML forms. Free Forever. No registration is required.

Jul 02, 2021

CMS

• Squidex - Offers free tier for small projects. API / GraphQL first. Open source and based on event sourcing (versing every change automatically).

IDE and Code Editing

• Replit — A cloud coding environment for various program languages.

Visitor Session Recording

• Microsoft Clarity - Session recording completely free with "no traffic limits", no project limits, and no sampling

Jun 23, 2021

APIs, Data, and ML

• Deepnote - A new data science notebook. Jupyter is compatible with real-time collaboration and running in the cloud. The free tier includes unlimited personal projects, up to 750 hours of standard hardware, and teams with up to 3 editors.

• reqres.in - A Free hosted REST-API ready to respond to your AJAX requests.

Tools for Teams and Collaboration

• Duckly — Talk and collaborate in real time with your team. Pair programming with IDE, terminal sharing, voice, video, and screen sharing. Free for small teams.

• robocorp.com - Open-source stack for powering Automation Ops. Try out Cloud features and implement simple automation for free. Robot work 240 min/month, 10 Assistant runs, Storage of 100 MB.

Design and UI

• smartmockups.com — Create product mockups, 200 free mockups.

• Updrafts.app - WYSIWYG website builder for tailwindcss-based designs. Free for non-commercial usage.

Privacy Management

• Bearer - Helps implement privacy by design via audits and continuous workflows so that organizations comply with GDPR and other regulations. The free tier is limited to smaller teams and the SaaS version only.

Jun 22, 2021

BaaS

• getstream.io — Build scalable In-App Chat, Messaging, Video and audio, and Feeds in a few hours instead of weeks

Jun 21, 2021

Tools for Teams and Collaboration

• BookmarkOS.com - Free all-on-one bookmark manager, tab manager, and task manager in a customizable online desktop with folder collaboration.

CMS

• Directus — Headless CMS. A completely free and open-source platform for managing assets and database content on-prem or in the Cloud. There are no limitations or paywalls.

CDN and Protection

• cdnjs.com — Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 11% of all websites, powered by Cloudflare.

• jsdelivr.com — A free, fast, and reliable open-source CDN. Supports npm, GitHub, WordPress, Deno, and more.

Jun 20, 2021

Tools for Teams and Collaboration

• Calendly — Calendly is the tool for connecting and scheduling meetings. The free plan provides 1 Calendar connection per user and Unlimited sessions. Desktop and Mobile apps are also offered.

CDN and Protection

• statically.io — CDN for Git repos (GitHub, GitLab, Bitbucket), WordPress-related assets, and images

BaaS

• Flutter Flow — Build your Flutter App UI without writing a single line of code. Also has a Firebase integration. The free plan includes full access to UI Builder and Free templates.

Jun 16, 2021

Artifact Repos

• Artifactory - An artifact repository that supports numerous package formats like Maven, Docker, Cargo, Helm, PyPI, CocoaPods, and GitLFS. Includes package scanning tool XRay and CI/CD tool Pipelines (formerly Shippable) with a free tier of 2,000 CI/CD minutes per month.

• packagecloud.io — Easy to use repository hosting for Maven, RPM, DEB, PyPi, NPM, and RubyGem packages (has free tier).

Jun 10, 2021

Issue Tracking and Project Management

• GForge — Project Management and issue Tracking toolset for complex projects with self-premises and SaaS options. SaaS free plan offers the first five users free & free for Open Source Projects.

IDE and Code Editing

• Paiza — Develop Web apps in Browser without needing to set up anything. Free Plan offers one server with 24 24-hour lifetime and 4 hours of running time per day with 2 CPU cores, 2 GB RAM, and 1 GB storage.

Jun 09, 2021

Issue Tracking and Project Management

• nTask — Project management software that enables your teams to collaborate, plan, analyze, and manage everyday tasks. The essential plan is free forever with 100 MB storage and five users/teams. Unlimited workspaces, meetings, assignments, timesheets, and issue tracking.

Jun 06, 2021

APIs, Data, and ML

• Scraper's Proxy — Simple HTTP proxy API for scraping. Scrape anonymously without having to worry about restrictions, blocks, or captchas. First 100 successful scrapes per month free including javascript rendering (more available if you contact support).

Jun 05, 2021

Miscellaneous

• Base64 decoder/encoder — Online free tool for decoding & encoding data.

Jun 02, 2021

Design and UI

• Mastershot - Completely free browser-based video editor. No watermark, up to 1080p export options.

May 28, 2021

APIs, Data, and ML

• WebScraping.AI - Simple Web Scraping API with built-in parsing, Chrome rendering, and proxies. Two thousand free API calls per month.

May 27, 2021

Monitoring

• pingpong.one — Advanced status page platform with monitoring. The free tier includes one public customizable status page with an SSL subdomain. Pro plan is offered to open-source projects and non-profits free of charge.

May 25, 2021

Design and UI

• Ant Design Landing Page - Ant Design Landing Page provides a template built by Ant Motion's motion components. It has a rich homepage template, downloads the template code package, and can be used quickly. You can also use the editor to quickly build your own dedicated page.

May 24, 2021

Miscellaneous

• redirect.pizza - Easily manage redirects with HTTPS support. The free plan includes 10 sources and 100,000 hits per month.

May 21, 2021

APIs, Data, and ML

• shrtcode API - Free URL Shortening API without authorization and no request limits.

May 20, 2021

Tools for Teams and Collaboration

• HeySpace - Task management tool with chat, calendar, timeline and video calls. Free for up to 5 users.

• TimeCamp - Free time tracking software for unlimited users. Easily integrates with PM tools like Jira, Trello, Asana, etc.

May 13, 2021

CMS

• FrontAid — Headless CMS that stores JSON content directly in your Git repository. No restrictions.

Apr 29, 2021

Privacy Management

• Osano - Consent management and compliance platform with everything from GDPR representation to cookie banners. The free tier offers basic features.

• Iubenda - Privacy and cookie policies and consent management. The free tier offers limited privacy and cookie policy as well as cookie banners.

• Cookiefirst - Cookie banners, auditing, and multi-language consent management solution. The free tier offers a one-time scan and a single banner.

• Ketch - Consent management and privacy framework tool. The free tier offers most features with a limited visitor count.

Apr 28, 2021

APIs, Data, and ML

• Mocki - A tool that lets you create mock GraphQL and REST APIs synced to a GitHub repository. Simple REST APIs are free to develop and use without signup.

Apr 27, 2021

Miscellaneous

• Format Express - Instant online format for JSON / XML / SQL.

Apr 25, 2021

Issue Tracking and Project Management

• vabotu - A collaborative tool for project management. Free and other plans are available. The Freelance plan is for ten users and includes messaging, task boards, 5GB online storage, workspaces, and export data.

• Wikifactory — Product designing Service with Projects, VCS & Issues. The free plan offers unlimited projects & collaborators and 3GB storage.

Apr 22, 2021

BaaS

• Firebase — Firebase helps you build and run successful apps. Free Spark Plan offers Authentication, Hosting, Firebase ML, Realtime Database, Cloud Storage, Testlab. A/B Testing, Analytics, App Distribution, App Indexing, Cloud Messaging (FCM), Crashlytics, Dynamic Links, In-App Messaging, Performance Monitoring, Predictions, and Remote Config are always free.

Visitor Session Recording

• UXtweak.com — Record and watch how visitors use your website or app. Free unlimited time for small projects

Apr 21, 2021

BaaS

• streamdata.io — Turns any REST API into an event-driven streaming API. Free plan up to 1 million messages and ten concurrent connections.

Apr 17, 2021

APIs, Data, and ML

• Glitterly - Programmatically generate dynamic images from base templates. Restful API and nocode integrations. The free tier comes with 50 images/month and five templates.

Apr 15, 2021

Issue Tracking and Project Management

• freedcamp.com - tasks, discussions, milestones, time tracking, calendar, files and password manager. Free plan with unlimited projects, users, and file storage.

Apr 13, 2021

DNS

• nextdns.io - DNS-based firewall, 300K free queries monthly

Miscellaneous

• datelist.io - Online booking / appointment scheduling system. Free up to 5 bookings per month, includes 1 calendar

Apr 10, 2021

IDE and Code Editing

• Lazarus — Lazarus is a Delphi-compatible cross-platform IDE for Rapid Application Development.

Apr 07, 2021

Issue Tracking and Project Management

• Backlog — Everything your team needs to release great projects in one platform. The free plan offers 1 Project with ten users & 100MB of storage.

Analytics, Events and Statistics

• Databox — Business Insights & Analytics by combining other analytics & BI platforms. Free Plan offers 3 users, dashboards & data sources. 11M historical data records.

Apr 06, 2021

PaaS

• Koyeb - Koyeb is a developer-friendly serverless platform to deploy apps globally. Seamlessly run Docker containers, web apps, and APIs with git-based deployment, native autoscaling, a global edge network, and built-in service mesh and discovery. Free Instance lets you deploy a web service in Frankfurt, Germany or Washington, D.C., US. Free Managed Postgres database available in Frankfurt (Germany), Washington, D.C. (US), and Singapore. 512MB memory, 2GB storage, and 0.1 CPU. No credit card is required to get started.

Apr 05, 2021

Management System

• Miradore — Device Management service. Stay up-to-date with your device fleet and secure unlimited devices for free. The free plan offers basic features.

Analytics, Events and Statistics

• Branch — Mobile Analytics Platform. Free Tier offers up to 10K Mobile App Users with deep-linking & other services.

Apr 04, 2021

APIs, Data, and ML

• DeepAR — Augmented reality face filters for any platform with one SDK. The free plan provides up to 10 monthly active users (MAU) and tracks up to 4 faces

Apr 03, 2021

IDE and Code Editing

• BlueJ — A free Java Development Environment designed for beginners, used by millions worldwide. Powered by Oracle & simple GUI to help beginners.

Apr 02, 2021

Other Free Resources

• SnapShooter — Backup solution for DigitalOcean, AWS, LightSail, Hetzner, and Exoscale, with support for direct database, file system and application backups to s3 based storage. Provides a free plan with daily backups for one resource.

Apr 01, 2021

Source Code Repos

• RocketGit — Repository Hosting based on Git. Unlimited Public and private repositories.

Analytics, Events and Statistics

• Similar Web — Analytics for Web & Mobile Apps. Free Plan offers five results per metric, one month of mobile app data & 3 months of website data.

Mar 30, 2021

Issue Tracking and Project Management

• Codegiant — Project Management with Repository hosting & CI/CD. Free Plan Offers Unlimited Repositories, Projects & Documents with 5 Team Members. 500 CI/CD minutes per month. 30000 Serverless Code Run minutes per month 1GB repository storage.

Analytics, Events and Statistics

• Microsoft PowerBI — Business Insights & Analytics by Microsoft. Free Plan offers limited use with 1 Million User licenses.

Mar 29, 2021

Analytics, Events and Statistics

• Google Analytics — Google Analytics

• Hotjar — Website Analytics and Reports . Free Plan allows 2000 pageviews/day. One hundred snapshots/day (max capacity: 300). Three snapshot heatmaps can be stored for 365 days. Unlimited Team Members. Also in App and standalone surveys, feedback widgets with screenshots. Free tier allows creating 3 surveys & 3 feedback widgets and collecting 20 responses per month.

• StatCounter — Website Viewer Analytics. Free plan for analytics of 500 most recent visitors.

Mar 28, 2021

CI and CD

• Mergify — workflow automation and merge queue for GitHub — Free for public GitHub repositories

Analytics, Events and Statistics

• Clicky — Website Analytics Platform. Free Plan for one website with 3000 views analytics.

Miscellaneous

• Blynk — A SaaS with API to control, build & evaluate IoT devices. Free Developer Plan with 5 devices, Free Cloud & data storage. Mobile Apps are also available.

Mar 27, 2021

Managed Data Services

• StackBy — One tool that combines spreadsheets' flexibility, databases' power, and built-in integrations with your favorite business apps. The free plan includes unlimited users, ten stacks, and a 2GB attachment per stack.

Mar 26, 2021

Issue Tracking and Project Management

• Zube — Project management with free plan for 4 Projects & 4 users. GitHub integration is available.

IDE and Code Editing

• Code::Blocks — Free Fortran & C/C++ IDE. Open Source and runs on Windows,macOS & Linux.

Miscellaneous

• Elementor — WordPress website builder. Free plan available with 40+ Basic Widgets.

Mar 25, 2021

Testing

• percy.io - Add visual testing to any web app, static site, style guide, or component library. Unlimited team members, Demo app, and unlimited projects, 5,000 snapshots/month.

Email

• Zoho — Started as an e-mail provider but now provides a suite of services, some of which have free plans. List of services having free plans :
  • Email Free for 5 users. 5GB/user & 25 MB attachment limit, one domain.
  • Zoho Assist — Zoho Assist's forever free plan includes one concurrent remote support license and Access to 5 unattended computer licenses for unlimited duration available for both professional and personnel use.
  • Sprints Free for 5 users,5 Projects & 500MB storage.
  • Docs — Free for 5 users with 1 GB upload limit & 5GB storage. Zoho Office Suite (Writer, Sheets & Show) comes bundled.
  • Projects — Free for 3 users, 2 projects & 10 MB attachment limit. The same plan applies to Bugtracker.
  • Connect — Team Collaboration free for 25 users with three groups, three custom apps, 3 Boards, 3 Manuals, and 10 Integrations along with channels, events & forums.
  • Meeting — Meetings with upto 3 meeting participants & 10 Webinar attendees.
  • Vault — Password Management is accessible for Individuals.
  • Showtime — Yet another Meeting software for training for a remote session of up to 5 attendees.
  • Notebook — A free alternative to Evernote.
  • Wiki — Free for three users with 50 MB storage, unlimited pages, zip backups, RSS & Atom feed, access controls & customizable CSS.
  • Subscriptions — Recurring Billing management free for 20 customers/subscriptions & 1 user with all the payment hosting done by Zoho. The last 40 subscription metrics are stored
  • Checkout — Product Billing management with 3 pages & up to 50 payments.
  • Desk — Customer Support management with three agents, private knowledge base, and email tickets. Integrates with Assist for one remote technician & 5 unattended computers.
  • Cliq — Team chat software with 100 GB storage, unlimited users, 100 users per channel & SSO.
  • Campaigns - Email Marketing
  • Forms - Form Creator
  • Sign - Paperless Signatures
  • Surveys - Online Surveys
  • Bookings - Appointment Scheduling

Mar 24, 2021

Design and UI

• Icons8 — Icons, illustrations, photos, music, and design tools. Free Plan offers Limited formats in lower resolution. Link to Icons8 when you use our assets.

• Rive — Create and ship beautiful animations to any platform. Free forever for Individuals. The service is an editor that also hosts all the graphics on their servers. They also provide runtimes for many platforms to run representations made using Rive.

Mar 23, 2021

Code Quality

• CodeBeat — Automated Code Review Platform available for many languages. Free forever for public repositories with Slack and e-mail integration.

Mar 22, 2021

Testing

• Vaadin — Build scalable UIs in Java or TypeScript, and use the integrated tooling, components, and design system to iterate faster, design better, and simplify the development process. Unlimited Projects with five years of free maintenance.

Storage and Media Processing

• Pinata IPFS — Pinata is the simplest way to upload and manage files on IPFS. Our friendly user interface and IPFS API make Pinata the easiest IPFS pinning service for platforms, creators, and collectors. 1 GB storage free, along with access to API.

Mar 20, 2021

BaaS

• BMC Developer Program — The BMC Developer Program provides documentation and resources to build and deploy digital innovations for your enterprise. Access to a comprehensive, personal sandbox that includes the platform, SDK, and a library of components that can be used to build and tailor apps.

• ServiceNow Developer Program — Rapidly build, test, and deploy applications that make work better for your organization. Free Instance & access to early previews.

Mar 19, 2021

BaaS

• Salesforce Developer Program — Build apps Lightning fast with drag-and-drop tools. Customize your data model with clicks. Go further with Apex code. Integrate with anything using powerful APIs. Stay protected with enterprise-grade security. Customize UI with clicks or any leading-edge web framework. Free Developer Program gives access to the full Lightning Platform.

Mar 16, 2021

CI and CD

• LayerCI — CI for full stack projects. One full stack preview environment with 5GB memory & 3 CPUs.

Forms

• formspark.io - Form to Email service, free plan allows unlimited forms, 250 submissions per month, support by Customer assistance team.

• getform.io - Form backend platform for designers and developers, 1 form, 50 submissions, Single file upload, 100MB file storage.

• Pageclip - The free plan allows one site, one form, and 1,000 monthly submissions.

• smartforms.dev - Powerful and easy form backend for your website, forever free plan allows 50 submissions per month, 250MB file storage, Zapier integration, CSV/JSON export, custom redirect, custom response page, Telegram & Slack bot, single email notifications.

Mar 15, 2021

APIs, Data, and ML

• APITemplate.io - Auto-generate images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML is required. The free plan comes with 50 images/month and three templates.

Crash and Exception Handling

• CatchJS.com - JavaScript error tracking with screenshots and click trails. Free for open-source projects.

Screenshot APIs

• Webshrinker.com — Web Shrinker provides website screenshots and domain intelligence API services. Free 100 requests/month.

Mar 13, 2021

Source Code Repos

• GitHub — Unlimited public repositories and unlimited private repositories (with unlimited collaborators). Includes CI/CD, Development Environment, Static Hosting, Package and Container hosting, Project management and AI Copilot

• gitlab.com — Unlimited public and private Git repos with up to 5 collaborators. Includes CI/CD, Static Hosting, Container Registry, Project Management and Issue Tracking

Design and UI

• Penpot - Web-based, open-source design and prototyping tool. Supports SVG. Completely free.

Mar 12, 2021

APIs, Data, and ML

• Conversion Tools - Online File Converter for documents, images, video, audio, and eBooks. REST API is available. Libraries for Node.js, PHP, Python. Support files up to 50 GB (for paid plans). The free tier is limited by file size and number of conversions per day.

Storage and Media Processing

• imagekit.io – Image CDN with automatic optimization, real-time transformation, and storage that you can integrate with existing setup in minutes. The free plan includes up to 20GB of bandwidth per month.

Mar 11, 2021

DNS

• freedns.afraid.org — Free DNS hosting. Also, provide free subdomains based on numerous public user contributed domains. Get free subdomains from the "Subdomains" menu after signing up.

Analytics, Events and Statistics

• Tableau Developer Program — Innovate, create, and make Tableau work perfectly for your organization. The free developer program gives a personal development sandbox license for Tableau Online. The version is the latest pre-release version so Data Devs can test each & every feature of this superb platform.

Mar 10, 2021

APIs, Data, and ML

• CurlHub — Proxy service for inspecting and debugging API calls. The free plan includes 10,000 requests per month.

Mar 08, 2021

Security and PKI

• Protectumus - Free website security check, site antivirus, and server firewall (WAF) for PHP. Email notifications for registered users in the free tier.

Low-code Platform

• Mendix — Rapid Application Development for Enterprises, unlimited accessible sandbox environments supporting total users, 0.5 GB storage and 1 GB RAM per app. Also, Studio and Studio Pro IDEs are allowed in the free tier.

Mar 07, 2021

IDE and Code Editing

• SoloLearn — A cloud programming playground well-suited for running code snippets. Supports various programming languages. No registration is required for running code, but it is necessary when saving code on their platform. Also offers free courses for beginners and intermediate-level coders.

Other Free Resources

• Microsoft 365 Developer Program — Get a free sandbox, tools, and other resources you need to build solutions for the Microsoft 365 platform. The subscription is a 90-day Microsoft 365 E5 Subscription (Windows excluded) which is renewable. It is renewed if you're active in development(measured using telemetry data & algorithms).

Mar 06, 2021

Testing

• Appetize — Test your Android & iOS apps on this Cloud Based Android Phone / Tablets emulator and iPhone/iPad simulators directly in your browser. The free tier includes two concurrent session with 30 minutes of usage per month. No limit on app size.

IDE and Code Editing

• Android Studio — Android Studio provides the fastest tools for building apps on every type of Android device. Open Source IDE is free for everyone and the best Android app development. Available for Windows, Mac, Linux, and even ChromeOS!

Mar 04, 2021

Source Code Repos

• GitGud — Unlimited private and public repositories. Free forever. Powered by GitLab & Sapphire. CI/CD not provided.

APIs, Data, and ML

• JSON IP — Returns the Public IP address of the client it is requested from. No registration is required for the free tier. Using CORS, data can be requested using client-side JS directly from the browser. Useful for services monitoring change in client and server IPs. Unlimited Requests.

Mar 03, 2021

Tools for Teams and Collaboration

• Microsoft Teams — Microsoft Teams is a chat-based digital hub that brings conversations, content, and apps together in one place all from a single experience. Free for up to 500k users.

Management System

• Esper — MDM and MAM for Android Devices with DevOps. One hundred devices free with one user license and 25 MB Application Storage.

PaaS

• encore.dev — Backend framework using static analysis to provide automatic infrastructure, boilerplate-free code, and more. Includes free cloud hosting for hobby projects.

Other Free Resources

• github.com — FOSS for Dev (⭐1.1k) — A hub of free and Open Source software for developers.

• RedHat for Developers — Free access to Red Hat products including RHEL, OpenShift, CodeReady, etc. exclusively for developers. Individual plan only. Free e-books are also offered for reference.

Mar 02, 2021

Web Hosting

• Drive To Web — Host directly to the web from Google Drive & OneDrive. Static sites only. Free forever. One site per Google/Microsoft account.

Mar 01, 2021

Email

• CloudMailin - Incoming email via HTTP POST and transactional outbound - 10,000 free emails/month

Feb 28, 2021

BaaS

• connectycube.com - Unlimited chat messages, p2p voice & video calls, files attachments and push notifications. Free for apps up to 1000 users.

Feb 27, 2021

CMS

• Contentful — Headless CMS. Content management and delivery APIs in the cloud. Comes with one free Community space that includes five users, 25K records, 48 Content Types, 2 locales.

Monitoring

• checklyhq.com - Open source E2E / Synthetic monitoring and deep API monitoring for developers. Free plan with five users and 50k+ check runs.

Feb 26, 2021

Translation Management

• Translation.io - Free for Open Source

Design and UI

• Plasmic - A fast, easy-to-use, robust web design tool and page builder that integrates into your codebase. Build responsive pages or complex components; optionally extend with code; and publish to production sites and apps.

Feb 25, 2021

APIs, Data, and ML

• News API — Search news on the web with code, and get JSON results. Developers get 3,000 queries free each month.

• TinyMCE - rich text editing API. Core features are free for unlimited usage.

Testing

• Applitools.com — Smart visual validation for web, native mobile and desktop apps. Integrates with almost all automation solutions (like Selenium and Karma) and remote runners (Sauce Labs, Browser Stack). free for open source. A free tier for a single user with limited checkpoints per week.

• webhook.site - Verify webhooks, outbound HTTP requests, or emails with a custom URL. A temporary URL and email address are always free.

Storage and Media Processing

• borgbase.com — Simple and secure offsite backup hosting for Borg Backup. 10 GB free backup space and two repositories.

Feb 24, 2021

Source Code Repos

• heptapod.net — Heptapod is a friendly fork of GitLab Community Edition providing support for Mercurial

APIs, Data, and ML

• ipapi - IP Address Location API by Kloudend, Inc - A reliable geolocation API built on AWS, trusted by Fortune 500. The free tier offers 30k lookups/month (1k/day) without signup.

• Kreya — Free gRPC GUI client to call and test gRPC APIs. Can import gRPC APIs via server reflection.

Tools for Teams and Collaboration

• Braid — Chat app designed for teams. Free for public access group, unlimited users, history, and integrations. also, it provides a self-hostable open-source version.

• Fibery — Connected workspace platform. Free for single users, up to 2 GB disk space.

• wormhol.org — Straightforward file sharing service. Share unlimited files up to 5GB with as many peers as you want.

• Zulip — Real-time chat with a unique email-like threading model. The free plan includes 10,000 messages of search history and File storage up to 5 GB. also, it provides a self-hostable open-source version.

Code Quality

• holistic.dev - The #1 static code analyzer for Postgresql optimization. Performance, security, and architect database issues automatic detection service

• parsers.dev - Abstract syntax tree parsers and intermediate representation compilers as a service

Management System

• ploi.io - Server management tool to easily manage and deploy your servers & sites. Free for one server.

Translation Management

• SimpleLocalize - Free up to 100 translation keys, unlimited strings, unlimited languages, startup deals

Monitoring

• newrelic.com — New Relic observability platform built to help engineers create more perfect software. From monoliths to serverless, you can instrument everything and then analyze, troubleshoot, and optimize your entire software stack. The free tier offers 100GB/month of free data ingest, one free full-access user, and unlimited free primary users.

Crash and Exception Handling

• honeybadger.io - Exception, uptime, and cron monitoring. Free for small teams and open-source projects (12,000 errors/month).

Managed Data Services

• Upstash — Serverless Redis with free tier up to 10,000 requests per day, 256MB max database size, and 20 concurrent connections

• SeaTable — Flexible, Spreadsheet-like Database built by the Seafile team. unlimited tables, 2,000 lines, 1-month versioning, up to 25 team members.

Issue Tracking and Project Management

• Linear — Issue tracker with a streamlined interface. Free for unlimited members, up to 10MB file upload size, 250 issues (excluding Archive)

• MeisterTask — Online task management for teams. Free up to 3 projects and unlimited project members.

• Tara AI — Simple sprint management service. The free plan has unlimited tasks, sprints, and workspaces without user limits.

• teamwork.com — Project management & Team Chat. Free for five users and two projects. Premium plans are available.

• Yodiz — Agile development and issue tracking. Free up to 3 users, unlimited projects.

Storage and Media Processing

• cloudinary.com — Image upload, powerful manipulations, storage, and delivery for sites and apps, with Ruby, Python, Java, PHP, Objective-C, and more libraries. The free tier includes 25 monthly credits. One credit equals 1,000 image transformations, 1 GB of storage, or 1 GB of CDN usage.

Data Visualization on Maps

• developers.arcgis.com — APIs and SDKs for maps, geospatial data storage, analysis, geocoding, routing, and more across web, desktop, and mobile. Two million free base map tiles, 20,000 non-stored geocodes, 20,000 simple routes, 5,000 drive time calculations, and 5GB free tile+data storage per month.

IDE and Code Editing

• 3v4l - Free online PHP shell and snippet-sharing site, that runs your code in 300+ PHP versions

Analytics, Events and Statistics

• Avo — Simplified analytics release workflow. Single-source-of-truth tracking plan, type-safe analytics tracking library, in-app debuggers, and data observability to catch all data issues before you release. Free for two workspace members and 1 hour data observability lookback.

Visitor Session Recording

• LogRocket.com - 1,000 sessions/month with 30-day retention, error tracking, live mode

Miscellaneous

• Hook Relay - Add webhook support to your app without the hassles: done-for-you queueing, retries with backoff, and logging. The free plan has 100 deliveries per day, 14-day retention, and 3 hook endpoints.

Feb 23, 2021

Source Code Repos

• Pagure.io — Pagure.io is a free and open source software code collaboration platform for FOSS-licensed projects, Git-based

APIs, Data, and ML

• Roboflow - create and deploy a custom computer vision model with no prior machine learning experience required. The free tier includes up to 1,000 free source images.

Testing

• loadmill.com - Automatically create API and load tests by analyzing network traffic. Simulate up to 50 concurrent users for up to 60 minutes for free monthly.

Messaging and Streaming

• courier.com — Single API for push, in-app, email, chat, SMS, and other messaging channels with template management and other features. The free plan includes 10,000 messages/mo.

Crash and Exception Handling

• GlitchTip — Simple, open-source error tracking. Compatible with open-source Sentry SDKs. 1000 events per month for free, or can self-host with no limits

BaaS

• darklang.com - Hosted language combined with editor and infrastructure. Accessible during the beta, a generous free tier is planned after beta.

Issue Tracking and Project Management

• Kitemaker.co - Collaborate through all phases of the product development process and keep track of work across Slack, Discord, Figma, and Github. Unlimited users, unlimited spaces. Free plan up to 250 work items.

IDE and Code Editing

• Eclipse Che - Web-based and Kubernetes-Native IDE for Developer Teams with multi-language support. Open Source and community-driven. An online instance hosted by Red Hat is available at workspaces.openshift.com.

Screenshot APIs

• PhantomJsCloud — Browser automation and page rendering. Free Tier offers up to 500 pages/day. Free Tier since 2017.

Miscellaneous

• redirection.io — SaaS tool for managing HTTP redirections for businesses, marketing and SEO.

• Smartcar API - An API for cars to locate, get fuel tank, battery levels, odometer, unlock/lock doors, etc.

Feb 19, 2021

Email

• forwardemail.net — Free email forwarding for custom domains. Create and forward an unlimited amount of email addresses with your domain name (note: You must pay if you use .casa, .cf, .click, .email, .fit, .ga, .gdn, .gq, .lat, .loan, .london, .men, .ml, .pl, .rest, .ru, .tk, .top, .work TLDs due to spam)

Feb 18, 2021

Messaging and Streaming

• Ably - Realtime messaging service with presence, persistence and guaranteed delivery. The free plan includes 3m messages per month, 100 peak connections, and 100 peak channels.

Feb 13, 2021

Security and PKI

• atomist.com — A quicker and more convenient way to automate various development tasks. Now in beta.

Feb 10, 2021

Email

• Bump - Free 10 Bump email addresses, one custom domain

• temp-mail.io — Free disposable temporary email service with multiple emails at once and forwarding

Jan 30, 2021

Forms

• Form.taxi — Endpoint for HTML forms submissions. With notifications, spam blockers, and GDPR-compliant data processing. Free plan for basic usage.

Jan 28, 2021

Feature Toggles Management Platforms

• Molasses - Powerful feature flags and A/B testing. Free up to 3 environments with five feature flags each.

Jan 27, 2021

APIs, Data, and ML

• QuickMocker — Manage online fake API endpoints under your own subdomain, forward requests to localhost URL for webhooks development and testing, use RegExp and multiple HTTP methods for URL path, prioritize endpoints, more than 100 shortcodes (dynamic or fake response values) for response templating, import from OpenAPI (Swagger) Specifications in JSON format, proxy requests, restrict endpoint by IP address and authorization header. The free account provides one random subdomain, ten endpoints, 5 RegExp URL paths, 50 shortcodes per endpoint, 100 requests per day, and 50 history records in the requests log.

Monitoring

• Grafana Cloud - Grafana Cloud is a composable observability platform that integrates metrics and logs with Grafana. Free: 3 users, ten dashboards, 100 alerts, metrics storage in Prometheus and Graphite (10,000 series, 14 days retention), logs storage in Loki (50 GB of logs, 14 days retention)

Jan 22, 2021

Security and PKI

• StackHawk Automate application scanning throughout your pipeline to find and fix security bugs before they hit production. Unlimited scans and environments for a single app.

• TestTLS.com - Test an SSL/TLS service for secure server configuration, certificates, chains, etc. Not limited to HTTPS.

Messaging and Streaming

• cloudamqp.com — RabbitMQ as a Service. Little Lemur plan: max 1 million messages/month, max 20 concurrent connections, max 100 queues, max 10,000 queued messages, multiple nodes in different AZ's

Design and UI

• Grapedrop — Responsive, powerful, SEO-optimized web page builder based on GrapesJS Framework. Free for the first five pages, unlimited custom domains, all features, and simple usage.

Commenting Platforms

• GraphComment - GraphComment is a comments platform that helps you build an active community from the website’s audience.

Jan 21, 2021

Code Search and Browsing

• CodeKeep - Google Keep for Code Snippets. Organize, Discover, and share code snippets, featuring a powerful code screenshot tool with preset templates and a linking feature.

Security and PKI

• Ubiq Security — Encrypt and decrypt data with three lines of code and automatic key management. Free for one application and up to 1,000,000 encryptions per month.

Jan 20, 2021

Translation Management

• localazy.com - Free for 1000 source language strings, unlimited languages, unlimited contributors, startup and open source deals

Forms

• Web3Forms - Contact forms for Static & JAMStack Websites without writing backend code. The free plan allows Unlimited Forms, Unlimited Domains & 250 Submissions per month.

Jan 19, 2021

Forms

• Formspree.io — Send email using an HTTP POST request. The free tier limits to 50 submissions per form per month.

Jan 16, 2021

Issue Tracking and Project Management

• easyretro.io — Simple and intuitive sprint retrospective tool. The free plan has three public boards and one survey per board per month.

Jan 06, 2021

IDE and Code Editing

• Prepros - Prepros can compile Sass, Less, Stylus, Pug/Jade, Haml, Slim, CoffeeScript, and TypeScript out of the box, reloads your browsers and makes it easy to develop & test your websites so you can focus on making them perfect. You can also add your own tools with just a few clicks.

Dec 21, 2020

Data Visualization on Maps

• IP Geolocation — Free DEVELOPER plan available with 30K requests/month.

Tools for Teams and Collaboration

• Slab — A modern knowledge management service for teams. Free for up to 10 users.

Payment and Billing Integration

• CurrencyFreaks — Provides current and historical currency exchange rates. Free DEVELOPER plan available with 1000 requests/month.

Dec 16, 2020

APIs, Data, and ML

• OpenAPI3 Designer — Visually create Open API 3 definitions for free.

Dec 15, 2020

APIs, Data, and ML

• Disease.sh — A free API providing accurate data for building the Covid-19 related useful Apps.

Code Search and Browsing

• Namae - Search various websites like GitHub, Gitlab, Heroku, Netlify, and many more for the availability of your project name.

Design and UI

• BoxySVG — A free installable Web app for drawing SVGs and exporting in SVG, PNG, jpeg, and other formats.

Dec 10, 2020

Other Free Resources

• Web.Dev — This is a free tool that allows you to see the performance of your website and improve the SEO to get a higher rank list in search engines.

Dec 04, 2020

Docker Related

• Container Registry Service - Harbor based Container Management Solution. The free tier offers 1 GB of storage for private repositories.

Dec 03, 2020

CMS

• sensenet - API-first headless CMS providing enterprise-grade solutions for businesses of all sizes. The Developer plan provides three users, 500 content items, three built-in roles, 25+5 content types, fully accessible REST API, document preview generation, and Office Online editing.

Security and PKI

• opswat.com — Security Monitoring of computers, devices, applications, configurations, Free 25 users and 30 days history users.

Design and UI

• mockupmark.com — Create realistic t-shirt and clothing mockups for social media and E-commerce, 40 free mockups.

Miscellaneous

• readme.com — Beautiful documentation made easy, free for Open Source.

Dec 02, 2020

DNS

• Glauca – Free DNS hosting for up to 3 domains and DNSSEC support

Nov 29, 2020

IDE and Code Editing

• codesnip.com.br — Simple code snippets manager with categories, search and tags. free and unlimited.

Nov 27, 2020

Testing

• knapsackpro.com - Speed up your tests with optimal test suite parallelization on any CI provider. Split Ruby, JavaScript tests on parallel CI nodes to save time. Free plan for up to 10 minutes of test files and free unlimited plan for Open Source projects.

Nov 26, 2020

Cloud management solutions

• scalr.com - Scalr is a Terraform Automation and COllaboration (TACO) product used to better collaboration and automation on infrastructure and configurations managed by Terraform. Full Terraform CLI support, OPA integration, and a hierarchical configuration model. No SSO tax. All features are included. Use up to 50 runs/month for free.

Nov 23, 2020

BaaS

• restspace.io - Configure a server with services for auth, data, files, email API, templates, and more, then compose into pipelines and transform data.

Nov 21, 2020

Managed Data Services

• FaunaDB — Serverless cloud database with native GraphQL, multi-model access, and daily free tiers up to 100 MB

Nov 18, 2020

Major Cloud Providers

• Amazon Web Services
  • CloudFront - 1TB egress per month and 2M Function invocations per month
  • CloudWatch - 10 custom metrics and ten alarms
  • CodeBuild - 100min of build time per month
  • CodeCommit - 5 active users,50GB storage, and 10000 requests per month
  • CodePipeline - 1 active pipeline per month
  • DynamoDB - 25GB NoSQL DB
  • EC2 - 750 hours per month of t2.micro or t3.micro(12mo). 100GB egress per month
  • EBS - 30GB per month of General Purpose (SSD) or Magnetic(12mo)
  • Elastic Load Balancing - 750 hours per month(12mo)
  • RDS - 750 hours per month of db.t2.micro, db.t3.micro, or db.t4g.micro, 20GB of General Purpose (SSD) storage, 20GB of storage backups(12 mo)
  • S3 - 5GB Standard object storage, 20K Get requests and 2K Put requests(12 mo)
  • Glacier - 10GB long-term object storage
  • Lambda - 1 million requests per month
  • SNS - 1 million publishes per month
  • SES - 3.000 messages per month (12mo)
  • SQS - 1 million messaging queue requests
  • Full, detailed list - https://aws.amazon.com/free/

APIs, Data, and ML

• Collect2 — Create an API endpoint to test, automate, and connect webhooks. The free plan allows for two datasets, 2000 records, one forwarder, and one alert.

Crash and Exception Handling

• exceptionless — Real-time error, feature, log reporting, and more. Free for 3k events per month/1 user. Open source and easy to self-host for unlimited use.

Nov 16, 2020

Email

• mailsac.com - Free API for temporary email testing, free public email hosting, outbound capture, email-to-slack/websocket/webhook (1,500 monthly API limit)

Oct 27, 2020

Tools for Teams and Collaboration

• 3Cols - A free cloud-based code snippet manager for personal and collaborative code.

Oct 22, 2020

CMS

• Cosmic — Headless CMS and API toolkit. Free personal plans for developers.

• Crystallize — Headless PIM with ecommerce support. Built-in GraphQL API. The free version includes unlimited users, 1000 catalog items, 5 GB/month bandwidth, and 25k/month API calls.

• kontent.ai - A Content-as-a-Service platform that gives you all the headless CMS benefits while empowering marketers at the same time. The developer plan provides two users with unlimited projects with two environments for each, 500 content items, two languages with Delivery and Management API, and Custom elements support. You can use more detailed plans to meet your needs.

Code Quality

• CodeFactor — Automated Code Review for Git. The free version includes unlimited users, public repositories, and one private repo.

Oct 21, 2020

APIs, Data, and ML

• Cloudmersive — Utility API platform with full access to expansive API Library including Document Conversion, Virus Scanning, and more with 800 calls/month.

Oct 19, 2020

Tools for Teams and Collaboration

• Nuclino - A lightweight and collaborative wiki for all your team's knowledge, docs, and notes. Free plan with all essential features, up to 50 items, and 5GB storage.

Oct 17, 2020

Code Quality

• eversql.com — EverSQL - The #1 platform for database optimization. Gain critical insights into your database and SQL queries automatically.

Oct 13, 2020

Security and PKI

• DJ Checkup — Scan your Django site for security flaws with this free, automated checkup tool. Forked from the Pony Checkup site.

Oct 07, 2020

CDN and Protection

• Skypack — The 100% Native ES Module JavaScript CDN. Free for 1 million requests per domain per month.

Oct 06, 2020

APIs, Data, and ML

• IP.City — 100 Free IP geolocation requests per day

Monitoring

• Pingmeter.com - 5 uptime monitors with 10-minute interval. Monitor SSH, HTTP, HTTPS, and any custom TCP ports.

Analytics, Events and Statistics

• Hitsteps.com — 2,000 pageviews per month for 1 website

Visitor Session Recording

• Reactflow.com — Per site: 1,000 pages views/day, three heatmaps, three widgets, free bug tracking

• howuku.com — Track user interaction, engagement, and event. Free for up to 5,000 visits/month

Oct 02, 2020

Other Free Resources

• smsreceivefree.com — Provides free temporary and disposable phone numbers.

Oct 01, 2020

Design and UI

• Lorem Picsum - A Free tool, easy to use, stylish placeholders. After our URL, add your desired image size (width & height), and you'll get a random image.

Sep 29, 2020

Issue Tracking and Project Management

• zenhub.com — The only project management solution inside GitHub. Free for public repos, OSS, and nonprofit organizations

Sep 21, 2020

Code Quality

• SourceLevel — Automated Code Review and Team Analytics. Free for Open Source and organizations up to 5 collaborators.

Miscellaneous

• Bricks Note Calculator - a note-taking app (PWA) with a powerful built-in multiline calculator.

Sep 18, 2020

Email

• Outlook.com - Free personal email and calendar.

Sep 17, 2020

IDE and Code Editing

• Bootify.io - Spring Boot app generator with custom database and REST API.

Sep 16, 2020

Managed Data Services

• redsmin.com — Online real-time monitoring and administration service for Redis, Monitoring for 1 Redis instance free

Sep 15, 2020

APIs, Data, and ML

• Atlas toolkit - Lightweight library to develop single-page web applications that are instantly accessible. Available for Java, Node.js, Perl, Python, and Ruby.

Sep 14, 2020

APIs, Data, and ML

• Abstract API — API suite for various use cases, including IP geolocation, gender detection, or email validation.

• bigml.com — Hosted machine learning algorithms. Unlimited free tasks for development, limit of 16 MB data/task.

• monkeylearn.com — Text analysis with machine learning, free 300 queries/month.

• MockAPI — MockAPI is a simple tool that lets you quickly mock up APIs, generate custom data, and perform operations using a RESTful interface. MockAPI is meant to be a prototyping/testing/learning tool. One project/4 resources per project for free.

• parsehub.com — Extract data from dynamic sites, turn dynamic websites into APIs, five projects free.

• scrapinghub.com — Data scraping with visual interface and plugins. The free plan includes unlimited scraping on a shared server.

• wit.ai — NLP for developers.

• wrapapi.com — Turn any website into a parameterized API. 30k API calls per month.

• Zenscrape — Web scraping API with headless browsers, residentials IPs, and straightforward pricing. One thousand free API calls/month and extra credits for students and non-profits.

Tools for Teams and Collaboration

• TeleType — share terminals, voice, code, whiteboard, and more. no sign-in is required for end-to-end encrypted collaboration for developers.

Sep 12, 2020

Miscellaneous

• RandomKeygen - A free mobile-friendly tool that offers a variety of randomly generated keys and passwords you can use to secure any application, service, or device.

• videoinu — Create and edit screen recordings and other videos online.

Sep 11, 2020

CI and CD

• cirrus-ci.org - Free for public GitHub repositories

• codemagic.io - Free 500 build minutes/month

• drone - Drone Cloud enables developers to run Continuous Delivery pipelines across multiple architectures - including x86 and Arm (both 32-bit and 64-bit) - all in one place

• Squash Labs — creates a VM for each branch and makes your app available from a unique URL, Unlimited public & private repos, Up to 2 GB VM Sizes.

Issue Tracking and Project Management

• Tweek — Simple Weekly To-Do Calendar & Task Management.

Aug 30, 2020

Email

• MailerLite.com — 1,000 subscribers/month, 12,000 emails/month free

Aug 28, 2020

APIs, Data, and ML

• Hoppscotch - A free, fast, and beautiful API request builder.

Monitoring

• zenduty.com — End-to-end incident management, alerting, on-call management, and response orchestration platform for network operations, site reliability engineering, and DevOps teams. Free for up to 5 users.

Aug 26, 2020

APIs, Data, and ML

• BigDataCloud - Provides fast, accurate, and free (Unlimited or up to 10K-50K/month) APIs for modern web like IP Geolocation, Reverse Geocoding, Networking Insights, Email and Phone Validation, Client Info and more.

Tools for Teams and Collaboration

• element.io — A decentralized and open-source communication tool built on Matrix. Group chats, direct messaging, encrypted file transfers, voice and video chats, and easy integration with other services.

Code Quality

• DeepSource - DeepSource continuously analyzes source code changes, finding and fixing issues categorized under security, performance, anti-patterns, bug-risks, documentation, and style. Native integration with GitHub, GitLab, and Bitbucket.

Aug 25, 2020

Analytics, Events and Statistics

• woopra.com — Free user analytics platform for 500K actions, 90-day data retention, 30+ one-click integration.

Aug 23, 2020

APIs, Data, and ML

• ScraperBox — Undetectable web scraping API using real Chrome browsers and proxy rotation. Use a simple API call to scrape any web page. The free plan has 1000 requests per month.

Aug 19, 2020

APIs, Data, and ML

• Invantive Cloud — Access over 70 (cloud)platforms such as Exact Online, Twinfield, ActiveCampaign or Visma using Invantive SQL or OData4 (typically Power BI or Power Query). Includes data replication and exchange. Free plan for developers and implementation consultants. Free for specific platforms with limitations in data volumes.

Aug 16, 2020

Browser-based hardware emulation written in Javascript

• JsLinux — a really fast x86 virtual machine capable of running Linux and Windows 2k.

• v86 — an x86 virtual machine capable of running Linux and other OS directly into the browser.

Aug 05, 2020

Messaging and Streaming

• cloudkarafka.com - Free Shared Kafka cluster, up to 5 topics, 10MB data per topic and 28 days of data retention.

Jul 29, 2020

Design and UI

• Octopus.do — Visual sitemap builder. Build your website structure in real time and rapidly share it to collaborate with your team or clients.

Jul 22, 2020

Font

• FontGet - Has a variety of fonts available to download and sorted neatly with tags.

Jul 21, 2020

APIs, Data, and ML

• Zipcodebase - Free Zip Code API, access to Worldwide Postal Code Data. Ten thousand free requests/month.

Tools for Teams and Collaboration

• userforge.com - Interconnected online personas, user stories and context mapping. Helps keep design and dev in sync free for up to 3 personas and two collaborators.

Jul 13, 2020

Issue Tracking and Project Management

• gleek.io — Free description-to-diagrams tool for developers. Create informal UML class, object, or entity-relationship diagrams using your keyword.

Jul 12, 2020

Storage and Media Processing

• sirv.com — Smart Image CDN with on-the-fly image optimization and resizing. The free tier includes 500 MB of storage and 2 GB of bandwidth.

Jul 09, 2020

Translation Management

• weblate.org — It's free for libre projects with up to 10,000 string sources for the free tier and Unlimited Self-hosted on-premises.

Design and UI

• xLayers - Preview and convert Sketch design files into Angular, React, Vue, LitElement, Stencil, Xamarin, and more (free and open source at https://github.com/xlayers/xlayers (⭐821))

Jul 08, 2020

Design and UI

• Responsively App - A free dev tool for faster and more precise responsive web application development.

• SceneLab - Online mockup graphics editor with an ever-expanding collection of free design templates

Jul 05, 2020

Monitoring

• nixstats.com - Free for one server. E-Mail Notifications, public status page, 60-second interval, and more.

• uptimetoolbox.com — Free monitoring for five websites, 60-second intervals, public statuspage.

Jul 02, 2020

IDE and Code Editing

• Mocklets - an HTTP-based mock API simulator that helps simulate APIs for faster parallel development and more comprehensive testing, with a lifetime free tier.

Jul 01, 2020

Miscellaneous

• Code Time - an extension for time-tracking and coding metrics in VS Code, Atom, IntelliJ, Sublime Text, and more.

Jun 24, 2020

APIs, Data, and ML

• Sheetson - Instantly turn any Google Sheets into a RESTful API. Free plan available.

Jun 23, 2020

CI and CD

• appcircle.io — An enterprise-grade mobile DevOps platform that automates the build, test, and publish store of mobile apps for faster, efficient release cycle. Free for 30 minutes max build time per build, 20 monthly builds and 1 concurrent build.

IDE and Code Editing

• mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API.

Jun 22, 2020

APIs, Data, and ML

• Sofodata - Create secure RESTful APIs from CSV files. Upload a CSV file and instantly access the data via its API allowing faster application development. The free plan includes 2 APIs and 2,500 API calls per month. You don't need a credit card.

Testing

• qase.io - Test management system for Dev and QA teams. Manage test cases, compose test runs, perform tests, track defects, and measure impact. The free tier includes all core features, with 500MB available for attachments and up to 3 users.

Jun 19, 2020

Issue Tracking and Project Management

• terrastruct.com — Online diagram maker specifically for software architecture. Free tier up to 4 layers per diagram.

Jun 18, 2020

Monitoring

• statusgator.com — Status page monitoring, 3 monitors free

Jun 15, 2020

APIs, Data, and ML

• Datapane - API for building interactive reports in Python and deploying Python scripts and Jupyter Notebooks as self-service tools.

Jun 10, 2020

Artifact Repos

• repsy.io — 1 GB Free private/public Maven Repository.

Jun 06, 2020

PaaS

• anvil.works - Web app development with nothing but Python. Free tier with unlimited apps and 30-second timeouts.

May 23, 2020

APIs, Data, and ML

• ScrapingDog — Scrapingdog handles millions of proxies, browsers, and CAPTCHAs to provide you with the HTML of any web page in a single API call. It also includes Web Scraper for Chrome & Firefox and software for instant scraping demand. Free plans are available.

May 20, 2020

Font

• Google Fonts - Many free fonts are easy and quick to install on a website via a download or a link to Google's CDN.

May 19, 2020

Tools for Teams and Collaboration

• Google Meet — Use Google Meet for your business's online video meeting needs. Meet provides secure, easy-to-join online meetings.

May 12, 2020

Web Hosting

• Bubble — Visual programming to build web and mobile apps without code, free with Bubble branding.

May 10, 2020

Managed Data Services

• MemCachier — Managed Memcache service. Free for up to 25MB, 1 Proxy Server, and basic analytics

Miscellaneous

• newreleases.io - Receive notifications on email, Slack, Telegram, Discord, and custom webhooks for new releases from GitHub, GitLab, Bitbucket, Python PyPI, Java Maven, Node.js NPM, Node.js Yarn, Ruby Gems, PHP Packagist, .NET NuGet, Rust Cargo and Docker Hub.

Apr 30, 2020

Forms

• WaiverStevie.com - Electronic Signature platform with a REST API. You can receive notifications with webhooks. Free plan watermarks signed documents but allow unlimited envelopes + signatures.

Commenting Platforms

• Utterances - A lightweight comments widget built on GitHub issues. Use GitHub issues for blog comments, wiki pages, and more!

• Disqus - Disqus is a networked community platform used by hundreds of thousands of sites all over the web.

Apr 29, 2020

Translation Management

• localizely.com — Free for Open Source

Apr 27, 2020

Messaging and Streaming

• scaledrone.com — Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events/day

Apr 25, 2020

APIs, Data, and ML

• ScrapingAnt — Headless Chrome scraping API and free checked proxies service. Javascript rendering, premium rotating proxies, CAPTCHAs avoiding. Free plans are available.

Apr 23, 2020

DNS

• zilore.com — Free DNS hosting for 5 domains.

Apr 22, 2020

Data Visualization on Maps

• geocodify.com — Geocoding and Geoparsing via API or CSV Upload. 10k free queries/month.

Apr 21, 2020

Issue Tracking and Project Management

• Instabug — A comprehensive bug reporting and in-app feedback SDK for mobile apps. Free plan up to 1 app and one member.

• Kumu.io — Relationship maps with animation, decorations, filters, clustering, spreadsheet imports, etc. The free tier allows unlimited public projects. Graph size unlimited. Free private projects for students. Sandbox mode is available if you prefer not to leave your file publicly online (upload, edit, download, discard).

Apr 19, 2020

Email

• verimail.io — Bulk and API email verification service. 100 free verifications/month

Apr 09, 2020

CDN and Protection

• ovh.ie — Free DDoS protection and SSL certificate

• Namecheap Supersonic — Free DDoS protection

Apr 07, 2020

Issue Tracking and Project Management

• Confluence - Atlassian's content collaboration tool is used to help teams collaborate and share knowledge efficiently. Free plan for up to 10 users.

• Jira — Advanced software development project management tool used in many corporate environments. Free plan for up to 10 users.

Apr 06, 2020

Issue Tracking and Project Management

• Ilograph — interactive diagrams that allow users to see their infrastructure from multiple perspectives and levels of detail. Charts can be expressed in code. The free tier has unlimited private diagrams with up to 3 viewers.

Apr 04, 2020

BaaS

• LeanCloud — Mobile backend. 1GB of data storage, 256MB instance, 3K API requests/day, and 10K pushes/day are free. (API is very similar to Parse Platform)

Mar 16, 2020

Tools for Teams and Collaboration

• Tugboat - Preview every pull request, automated and on-demand. Free for all, complimentary Nano tier for non-profits.

Mar 13, 2020

Security and PKI

• Virgil Security — Tools and services for implementing end-to-end encryption, database protection, IoT security, and more in your digital solution. Free for applications with up to 250 users.

Mar 12, 2020

Tools for Teams and Collaboration

• Miro - Scalable, secure, cross-device, and enterprise-ready collaboration whiteboard for distributed teams. With a freemium plan.

Mar 09, 2020

APIs, Data, and ML

• ExtendsClass - Free web-based HTTP client to send HTTP requests.

Security and PKI

• Dependabot Automated dependency updates for Ruby, JavaScript, Python, PHP, Elixir, Rust, Java (Maven and Gradle), .NET, Go, Elm, Docker, Terraform, Git Submodules, and GitHub Actions.

Issue Tracking and Project Management

• MeuScrum - Free online scrum tool with kanban board

Mar 08, 2020

Code Search and Browsing

• tickgit.com — Surfaces TODO comments (and other markers) to identify areas of code worth returning to for improvement.

Mar 05, 2020

Tools for Teams and Collaboration

• Bitwarden — The easiest and safest way for individuals, teams, and business organizations to store, share, and sync sensitive data.

• Keybase — Keybase is a FOSS alternative to Slack; it keeps everyone's chats and files safe, from families to communities to companies.

Mar 04, 2020

Font

• dafont - The fonts presented on this website are their authors' property and are either freeware, shareware, demo versions, or public domain.

• Everything Fonts - Offers multiple tools; @font-face, Units Converter, Font Hinter and Font Submitter.

• Font Squirrel - Freeware fonts licensed for commercial work. Hand-selected these typefaces and presented them in an easy-to-use format.

Feb 26, 2020

Search

• searchly.com — Free 2 indices and 20 MB storage

Feb 25, 2020

Web Hosting

• Fenix Web Server - A developer desktop app for hosting sites locally and sharing them publically (in real-time). Work however you like, using its beautiful user interface, API, and/or CLI.

Feb 24, 2020

Monitoring

• inspector.dev - A complete Real-Time monitoring dashboard in less than one minute with a free forever tier.

Feb 22, 2020

PaaS

• codenameone.com — Open source, cross-platform, mobile app development toolchain for Java/Kotlin developers. Free for commercial use with an unlimited number of projects

Feb 21, 2020

Email

• Verifalia — Real-time email verification API with mailbox confirmation and disposable email address detector; 25 free email verifications/day.

DNS

• huaweicloud.com – Free DNS hosting by Huawei

Feb 19, 2020

APIs, Data, and ML

• microenv.com — Create fake REST API for developers with the possibility to generate code and app in a docker container.

Feb 18, 2020

APIs, Data, and ML

• Postbacks - Request HTTP callbacks for a later time. Eight thousand free requests on signup.

Feb 12, 2020

Data Visualization on Maps

• positionstack - Free geocoding for global places and coordinates. 25,000 Requests per month for personal use.

Feb 07, 2020

Source Code Repos

• savannah.gnu.org - Serves as a collaborative software development management system for free Software projects (for GNU Projects)

• savannah.nongnu.org - Serves as a collaborative software development management system for free Software projects (for non-GNU projects)

Email

• SimpleLogin – Open source, self-hostable email alias/forwarding solution. Free 5 Aliases, unlimited bandwidth, unlimited reply/send. Free for educational staff (student, researcher, etc.).

Feb 04, 2020

Security and PKI

• keychest.net - SSL expiry management and cert purchase with an integrated CT database

Monitoring

• keychest.net/speedtest - Independent speed test and TLS handshake latency test against Digital Ocean

Jan 23, 2020

Design and UI

• Pixelixe — Create and edit engaging, unique graphics and images online.

Jan 18, 2020

APIs, Data, and ML

• CurrencyScoop - Realtime currency data API for fintech apps. The free plan includes 5,000 calls per month.

Jan 16, 2020

Managed Data Services

• restdb.io - a fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like queries), and an efficient multi-user admin UI for working with data. The free plan allows 3 users, 2500 records, and 1 API request per second.

Jan 15, 2020

Security and PKI

• CodeNotary.io — Open Source platform with indelible proof to notarize code, files, directories, or container

Jan 14, 2020

Testing

• Gremlin — Gremlin's Chaos Engineering tools allow you to safely and securely inject failure into your systems to find weaknesses before they cause customer-facing issues. Gremlin Free provides access to Shutdown and CPU attacks on up to 5 hosts or containers.

Monitoring

• letsmonitor.org - SSL monitoring, free for up to 5 monitors

Design and UI

• Mindmup.com — Unlimited mind maps for free and store them in the cloud. Your mind maps are available everywhere, instantly, from any device.

Jan 09, 2020

CMS

• acquia.com — Hosting for Drupal sites. Free tier for developers. Free development tools (such as Acquia Dev Desktop) are also available.

• Prismic — Headless CMS. Content management interface with fully hosted and scalable API. The Community Plan provides unlimited API calls, documents, custom types, assets, and locales to one user. Everything that you need for your next project. Bigger free plans are available for Open Content/Open Source projects.

Jan 08, 2020

Testing

• websitepulse.com — Various free network and server tools.

Jan 07, 2020

Docker Related

• Play with Docker — A simple, interactive, fun playground to learn Docker.

Jan 05, 2020

APIs, Data, and ML

• ip-api — IP Geolocation API, Free for non-commercial use, no API key required, limited to 45 req/minute from the same IP address for the free plan.

Jan 02, 2020

Managed Data Services

• InfluxDB — Timeseries database, free up to 3MB/5 minutes writes, 30MB/5 minutes reads and 10,000 cardinalities series

IDE and Code Editing

• Apache Netbeans — Development Environment, Tooling Platform and Application Framework.

Dec 29, 2019

IDE and Code Editing

• micro-jaymock - Tiny API mocking microservice for generating fake JSON data.

Dec 28, 2019

Source Code Repos

• ionicframework.com - Repo and tools to develop applications with Ionic; also you have an ionic repo

• pijul.com - Unlimited free and open source distributed version control system. Its distinctive feature is based on a sound theory of patches, which makes it easy to learn, use, and distribute. Solves many problems of git/hg/svn/darcs.

• plasticscm.com — Free for individuals, OSS, and nonprofit organizations

APIs, Data, and ML

• Beeceptor - Mock a rest API in seconds, fake API response and much more. Free 50 requests per day, public dashboard, open endpoints (anyone with a dashboard link can view submissions and answers).

• DB Designer — Cloud-based Database schema design and modeling tool with a free starter plan of 2 Database models and ten tables per model.

• GeoDataSource — Location search service looks up city names using latitude and longitude coordinates. Free API queries up to 500 times per month.

Artifact Repos

• cloudrepo.io - Cloud-based, private and public, Maven and PyPi repositories. Free for open-source projects.

Tools for Teams and Collaboration

• cally.com — Find the perfect time and date for a meeting. Simple to use, works great for small and large groups.

• evernote.com — Tool for organizing information. Share your notes and work together with others

• flock.com — A faster way for your team to communicate. Free Unlimited Messages, Channels, Users, Apps & Integrations

• meet.jit.si — One-click video conversations, and screen sharing, for free

• Notion - Notion is a note-taking and collaboration application with markdown support that integrates tasks, wikis, and databases. The company describes the app as an all-in-one workspace for note-taking, project management and task management. In addition to cross-platform apps, it can be accessed via most web browsers.

• Pendulums - Pendulums is a free time tracking tool that helps you manage your time in a better manner with an easy-to-use interface and valuable statistics.

• Raindrop.io - Private and secure bookmarking app for macOS, Windows, Android, iOS, and Web. Free Unlimited Bookmarks and Collaboration.

• seafile.com — Private or cloud storage, file sharing, sync, discussions. The cloud version has just 1 GB

• slack.com — Free for unlimited users with some feature limitations

• talky.io — Free group video chat. Anonymous. Peer‑to‑peer. No plugins, signup, or payment required

• twist.com — An asynchronous-friendly team communication app where conversations stay organized and on-topic. Free and Unlimited plans are available. Discounts are provided for eligible teams.

• typetalk.com — Share and discuss ideas with your team through instant messaging on the web or your mobile

• whereby.com — One-click video conversations, for free (formerly known as appear.in)

• wistia.com — Video hosting with viewer analytics, HD video delivery, and marketing tools to help understand your visitors, 25 videos, and Wistia branded player

• zoom.us — Secure Video and Web conferencing add-ons available. The free plan is limited to 40 minutes.

Code Quality

• beanstalkapp.com — A complete workflow to write, review, and deploy code), a free account for one user, and one repository with 100 MB of storage

• browserling.com — Live interactive cross-browser testing, free only 3 minutes sessions with MS IE 9 under Vista at 1024 x 768 resolution

• codacy.com — Automated code reviews for PHP, Python, Ruby, Java, JavaScript, Scala, CSS, and CoffeeScript, free for unlimited public and private repositories

• Codeac.io - Automated Infrastructure as Code review tool for DevOps integrates with GitHub, Bitbucket, and GitLab (even self-hosted). In addition to standard languages, it also analyzes Ansible, Terraform, CloudFormation, Kubernetes, and more. (open-source free)

• codeclimate.com — Automated code review, free for Open Source and unlimited organisation-owned private repos (up to 4 collaborators). Also free for students and institutions.

• codecov.io — Code coverage tool (SaaS), free for Open Source and one free private repo

• coveralls.io — Display test coverage reports, free for Open Source

• deepscan.io — Advanced static analysis for automatically finding runtime errors in JavaScript code, free for Open Source

• gerrithub.io — Gerrit code review for GitHub repositories for free

• gocover.io — Code coverage for any Go package

• goreportcard.com — Code Quality for Go projects, free for Open Source

• gtmetrix.com — Reports and thorough recommendations to optimize websites

• reviewable.io — Code review for GitHub repositories, free for public or personal repos.

• scrutinizer-ci.com — Continuous inspection platform, free for Open Source

• webceo.com — SEO tools but with also code verifications and different types of devices

• zoompf.com — Fix the performance of your web sites, detailed analysis

CI and CD

• AccessLint — AccessLint brings automated web accessibility testing into your development workflow. It's free for open source and education purposes.

• appveyor.com — CD service for Windows, free for Open Source

• bitrise.io — A CI/CD for mobile apps, native or hybrid. With 200 free builds/month 10 min build time and two team members. OSS projects get 45 min build time, +1 concurrency and unlimited team size.

• buddy.works — A CI/CD with five free projects and one concurrent run (120 executions/month)

• deployhq.com — 1 project with ten daily deployments (30 build minutes/month)

Testing

• browserstack.com — Manual and automated browser testing, free for Open Source

• everystep-automation.com — Records and replays all steps made in a web browser and creates scripts, free with fewer options

• gridlastic.com — Selenium Grid testing with a free plan of up to 4 simultaneous selenium nodes/10 grid starts/4,000 test minutes/month

• testingbot.com — Selenium Browser and Device Testing, free for Open Source

• tesults.com — Test results reporting and test case management. Integrates with popular test frameworks. Open Source software developers, individuals, educators, and small teams getting started can request discounted and free offerings beyond basic free projects.

Security and PKI

• crypteron.com — Cloud-first, developer-friendly security platform prevents data breaches in .NET and Java applications

• letsencrypt.org — Free SSL Certificate Authority with certs trusted by all major browsers

• meterian.io - Monitor Java, Javascript, .NET, Scala, Ruby, and NodeJS projects for security vulnerabilities in dependencies. Free for one private project, unlimited projects for open source.

• pyup.io — Monitor Python dependencies for security vulnerabilities and update them automatically. Free for one private project, unlimited projects for open source.

• qualys.com — Find web app vulnerabilities, audit for OWASP Risks

• report-uri.io — CSP and HPKP violation reporting

• ringcaptcha.com — Tools to use the phone number as id, available for free

• snyk.io — Can find and fix known security vulnerabilities in your open-source dependencies. Unlimited tests and remediation for open-source projects. Limited to 200 tests/month for your private projects.

• ssllabs.com — Intense analysis of the configuration of any SSL web server

• threatconnect.com — Threat intelligence: It is designed for individual researchers, analysts, and organizations starting to learn about cyber threat intelligence. Free up to 3 Users

• tinfoilsecurity.com — Automated vulnerability scanning. The free plan allows weekly XSS scans

Log Management

• sumologic.com — Free up to 500 MB/day, seven days retention

Translation Management

• lingohub.com — Free up to 3 users, always free for Open Source

• oneskyapp.com — Limited free edition for up to 5 users, free for Open Source

• transifex.com — Free for Open Source

• webtranslateit.com — Free up to 500 strings

Monitoring

• appdynamics.com — Free for 24-hour metrics, application performance management agents limited to one Java, one .NET, one PHP, and one Node.js

• assertible.com — Automated API testing and monitoring. Free plans for teams and individuals.

• circonus.com — Free for 20 metrics

• cloudsploit.com — AWS security and configuration monitoring. Free: unlimited on-demand scans, unlimited users, unlimited stored accounts. Subscription: automated scanning, API access, etc.

• datadoghq.com — Free for up to 5 nodes

• elastic.co — Instant performance insights for JS developers. Free with 24-hour data retention

• instrumentalapp.com - Beautiful and easy-to-use application and server monitoring with up to 500 metrics and 3 hours of data visibility for free

• loader.io — Free load testing tools with limitations

• pingbreak.com — Modern uptime monitoring service. Check unlimited URLs and get downtime notifications via Discord, Slack, or email.

• sematext.com — Free for 24-hour metrics, unlimited servers, ten custom metrics, 500,000 custom metrics data points, unlimited dashboards, users, etc.

• sitemonki.com — Website, domain, Cron & SSL monitoring, 5 monitors in each category for free

• skylight.io — Free for first 100,000 requests (Rails only)

• speedchecker.xyz — Performance Monitoring API, checks Ping, DNS, etc.

• stathat.com — Get started with ten stats for free, no expiration

• statuscake.com — Website monitoring, unlimited tests free with limitations

• thousandeyes.com — Network and user experience monitoring. 3 locations and 20 data feeds of major web services free

• uptimerobot.com — Website monitoring, 50 monitors free

Crash and Exception Handling

• rollbar.com — Exception and error monitoring, free plan with 5,000 errors/month, unlimited users, 30 days retention

• sentry.io — Sentry tracks app exceptions in real-time and has a small free plan. Free for 5k errors per month/ 1 user, unrestricted use if self-hosted

Email

• 10minutemail - Free, temporary email for testing.

• AnonAddy - Open-source anonymous email forwarding, create unlimited email aliases for free

• Burnermail – Free 5 Burner Email Addresses, 1 Mailbox, 7-day Mailbox History

• Buttondown — Newsletter service. Up to 100 subscribers free

• Contact.do — Contact form in a link (bitly for contact forms)

• debugmail.io — Easy to use testing mail server for developers

• ImprovMX – Free email forwarding.

• mail-tester.com — Test if the email's DNS/SPF/DKIM/DMARC settings are correct, 20 free/month.

• mailcatcher.me — Catches mail and serves it through a web interface.

• mailinator.com — Free, public email system where you can use any inbox you want

• Mailnesia - Free temporary/disposable email, which auto visit registration link.

• tinyletter.com — 5,000 subscribers/month free

• trashmail.com - Free disposable email addresses with forwarding and automatic address expiration

Feature Toggles Management Platforms

• ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, excellent support, and a reasonable price tag. Free plan up to 10 flags, two environments, 1 product, and 5 Million requests per month.

Forms

• Formcarry.com - HTTP POST Form endpoint, Free plan allows 100 monthly submissions.

• formlets.com — Online forms, unlimited single page forms/month, 100 submissions/month, email notifications.

• Typeform.com — Include beautifully designed forms on websites. The free plan allows only ten fields per form and 100 monthly responses.

CDN and Protection

• raw.githack.com — A modern replacement of rawgit.com which simply hosts file using Cloudflare

• section.io — A simple way to spin up and manage a complete Varnish Cache solution. Supposedly free forever for one site

• toranproxy.com — Proxy for Packagist and GitHub. Never fail CD. Free for personal use, one developer, no support

PaaS

• configure.it — Mobile app development platform, free for two projects, limited features but no resource limits

• gigalixir.com - Gigalixir provides one free instance that never sleeps and a free-tier PostgreSQL database limited to 2 connections, 10, 000 rows and no backups for Elixir/Phoenix apps.

• pipedream.com - An integration platform built for developers. Develop any workflow based on any trigger. Workflows are code you can run for free. No server or cloud resources to manage.

BaaS

• onesignal.com — Unlimited free push notifications. 10,000 email sends per month, with unlimited contacts and access to Auto Warm Up.

• paraio.com — Backend service API with flexible authentication, full-text search and caching. Free for one app, 1GB of app data.

• progress.com — Mobile backend, starter plan has unlimited requests/second, with 1 GB of data storage. Enterprise application support

• pushbots.com — Push notification service. Free for up to 1.5 million pushes/month

• pushcrew.com — Push notification service. Unlimited notifications for up to 2,000 Subscribers

• pusher.com — Free, unlimited push notifications for 2000 monthly active users. A single API for iOS and Android devices.

• quickblox.com — A communication backend for instant messaging, video, and voice calling, and push notifications

• stackstorm.com — Event-driven automation for apps, services, and workflows, free without flow, access control, LDAP

• tyk.io — API management with authentication, quotas, monitoring and analytics. Free cloud offering

• zapier.com — Connect the apps you use to automate tasks. Five zaps every 15 minutes and 100 tasks/month

Low-code Platform

• outsystems.com — Enterprise web development PaaS for on-premise or cloud, free "personal environment" offering allows for unlimited code and up to 1 GB database

Web Hosting

• Awardspace.com — Free web hosting + a free short domain, PHP, MySQL, App Installer, Email Sending & No Ads.

• Freehostia — FreeHostia offers free hosting services incl. an industry-best Control Panel & a 1-click installation of 50+ free apps. Instant setup. No forced ads.

• tilda.cc — One site, 50 pages, 50 MB storage, only the main pre-defined blocks among 170+ available, no fonts, no favicon, and no custom domain

DNS

• 1984.is — Free DNS service with API and lots of other free DNS features included.

• cloudns.net — Free DNS hosting up to 1 domain with 50 records

• dnspod.com — Free DNS hosting.

• duckdns.org — Free DDNS with up to 5 domains on the free tier. With configuration guides for various setups.

• zoneedit.com — Free DNS hosting with Dynamic DNS Support.

• zonewatcher.com — Automatic backups and DNS change monitoring. One domain free

Managed Data Services

• airtable.com — Looks like a spreadsheet, but it's a relational database unlimited bases, 1,200 rows/base, and 1,000 API requests/month

Tunneling, WebRTC, Web Socket Servers and Other Routers

• Hamachi — LogMeIn Hamachi is a hosted VPN service that lets you securely extend LAN-like networks to distributed teams with a free plan that allows unlimited networks with up to 5 people

• ngrok.com — Expose locally running servers over a tunnel to a public URL.

Issue Tracking and Project Management

• acunote.com — Free project management and SCRUM software for up to 5 team members

• asana.com — Free for private project with collaborators

• Basecamp - To-do lists, milestone management, forum-like messaging, file sharing, and time tracking. Up to 3 projects, 20 users, and 1GB of storage space.

• cacoo.com — Online real-time diagrams: flowchart, UML, network. Free max. 15 users/diagram, 25 sheets

• clickup.com — Project management. Free, premium version with cloud storage. Mobile applications and Git integrations are available.

• Cloudcraft — Design a professional architecture diagram in minutes with the Cloudcraft visual designer, optimized for AWS with intelligent components that show live data too. Free plan has unlimited private diagrams for single user.

• contriber.com — Customizable project management platform, free starter plan, five workspaces

• GraphQL Inspector - GraphQL Inspector outputs a list of changes between two GraphQL schemas. Every difference is precisely explained and marked as breaking, non-breaking, or dangerous.

• huboard.com — Instant project management for your GitHub issues, free for Open Source

• kanbanflow.com — Board-based project management. Free, premium version with more options

• Ora - Agile task management & team collaboration. Free for up to 3 users and files are limited to 10 MB.

• pivotaltracker.com — Free for unlimited public projects and two private projects with three total active users (read-write) and unlimited passive users (read-only).

• plan.io — Project Management with Repository Hosting and more options. Free for two users with ten customers and 500MB Storage

• planitpoker.com — Free online planning poker (estimation tool)

• SpeedBoard - Board for Agile and Scrum retrospectives - Free.

• Tadum - Meeting agenda and minutes app designed for recurring meetings, free for teams of up to 10

• taskade.com — Real-time collaborative task lists and team outlines. The free plan has one workspace with unlimited tasks and projects; 1GB file storage; 1-week project history; and five attendees per video meeting.

• testlio.com — Issue tracking, test management and beta testing platform. Free for private use

• todoist.com — Collaborative and individual task management. The free plan has: 5 active projects, five users in the project, file uploading up to 5MB, three filters, and one week of activity history.

• trello.com — Board-based project management. Unlimited Personal Boards, 10 Team Boards.

• YouTrack — Free hosted YouTrack (InCloud) for FOSS projects and private projects (free for three users). Includes time tracking and agile boards

Storage and Media Processing

• gumlet.com — Image and video hosting, processing and streaming via CDN. Provides generous free tier of 250 GB / month for videos and 30 GB / month for images.

• kraken.io — Image optimization for website performance as a service, free plan up to 1 MB file size

• otixo.com — Encrypt, share, copy, and move all your cloud storage files from one place. The basic plan provides unlimited file transfer with 250 MB max. file size and allows five encrypted files

• packagecloud.io — Hosted Package Repositories for YUM, APT, RubyGem and PyPI. Limited free plans and open-source plans are available via request

• piio.co — Responsive image optimization and delivery for every website. Free plan for developers and personal websites. Includes free CDN, WebP, and Lazy Loading out of the box.

• placekitten.com — A quick and simple service for getting pictures of kittens for use as placeholders

• plot.ly — Graph and share your data. The free tier includes unlimited public files and ten private files

• podio.com — You can use Podio with a team of up to five people and try out the features of the Basic Plan, except user management

• redbooth.com — P2P file syncing, free for up to 2 users

• tinypng.com — API to compress and resize PNG and JPEG images, offers 500 compressions for free each month

• transloadit.com — Handles file uploads and encoding of video, audio, images, documents. Free for Open source, charities, and students via the GitHub Student Developer Pack. Commercial applications get 2 GB free for test driving

Design and UI

• clevebrush.com — Free Graphics Design / Photo Collage App. Also, they offer paid integration of it as a component.

• cloudconvert.com — Convert anything to anything. Two hundred eight supported formats including videos and gifs.

• figma.com — Online, collaborative design tool for teams; free tier includes unlimited files and viewers with a max of 2 editors and three projects.

• landen.co — Generate, edit, and publish beautiful websites and landing pages for your startup. All without code. The free tier allows you to have one website, fully customizable and published on the web.

• lensdump.com - Free cloud image hosting.

• marvelapp.com — Design, prototyping, and collaboration, free plan limited to one user and project.

• Pencil (⭐9.1k) - Open source design tool using Electron.

• pexels.com - Free stock photos for commercial use. Has a free API that allows you to search photos by keywords.

• photopea.com — A Free, Advanced online design editor with Adobe Photoshop UI supporting PSD, XCF & Sketch formats (Adobe Photoshop, Gimp and Sketch App).

• pixlr.com — Free online browser editor on the level of commercial ones.

• resizeappicon.com — A simple service to resize and manage your app icons.

• unDraw - A constantly updated collection of beautiful SVG images that you can use completely free without attribution.

• unsplash.com - Free stock photos for commercial and noncommercial purposes (do-whatever-you-want license).

• vectr.com — Free Design App for Web + Desktop.

• walkme.com — Enterprise Class Guidance and Engagement Platform, free plan three walk-thru up to 5 steps/walk.

• whimsical.com - Collaborative flowcharts, wireframes, sticky notes and mind maps. Create up to 4 free boards.

• Zeplin — Designer and developer collaboration platform. Show designs, assets, and style guides. Free for one project.

Data Visualization on Maps

• carto.com — Create maps and geospatial APIs from your and public data.

• graphhopper.com A free developer package is offered for Routing, Route Optimization, Distance Matrix, Geocoding, and Map Matching.

• here — APIs and SDKs for maps and location-aware apps. 250k transactions/month for free.

• opencagedata.com — Geocoding API aggregating OpenStreetMap and other open geo sources. Two thousand five hundred free queries/day.

• osmnames — Geocoding, search results ranked by the popularity of related Wikipedia page.

IDE and Code Editing

• cacher.io — Code snippet organizer with labels and support for 100+ programming languages.

• cocalc.com — (formerly SageMathCloud at cloud.sagemath.com) — Collaborative calculation in the cloud. Browser access to full Ubuntu with built-in collaboration and lots of free software for mathematics, science, data science, preinstalled: Python, LaTeX, Jupyter Notebooks, SageMath, scikitlearn, etc.

• codepen.io — CodePen is a playground for the front-end side of the web.

• codesandbox.io — Online Playground for React, Vue, Angular, Preact, and more.

• ide.goorm.io goormIDE is full IDE on cloud. multi-language support, Linux-based container via the fully-featured web-based terminal, port forwarding, custom URL, real-time collaboration and chat, share link, Git/Subversion support. There are many more features (The free tier includes 1GB RAM and 10GB Storage per container, 5 Container slots).

• JDoodle — Online compiler and editor for more than 60 programming languages with a free plan for REST API code compiling up to 200 credits per day.

• jsfiddle.net — JS Fiddle is a playground and code-sharing site of front-end web, supporting collaboration.

• mockable.io — Mockable is a simple configurable service to mock out RESTful API or SOAP web services. This online service allows you to quickly define REST API or SOAP endpoints and have them return JSON or XML data.

• Visual Studio Community — Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more).

• wakatime.com — Quantified self-metrics about your coding activity using text editor plugins, limited plan for free.

Analytics, Events and Statistics

• amplitude.com — 1 million monthly events, up to 2 apps

• getinsights.io - Privacy-focused, cookie-free analytics, free for up to 3k events/month.

• optimizely.com — A/B Testing solution, free starter plan, one website, 1 iOS, and 1 Android app

• sematext.com — Free for up to 50 K actions/month, 1-day data retention, unlimited dashboards, users, etc.

• usabilityhub.com — Test designs and mockups on real people and track visitors. Free for one user, unlimited tests

Visitor Session Recording

• hotjar.com — Per site: 1,050 pages views/month, unlimited heatmaps, data stored for three months

• usersurge.com — 250K sessions per month for individuals.

Payment and Billing Integration

• exchangerate-api.com - An easy-to-use currency conversion JSON API. The free tier updates once per day with a limit of 1,500 requests/month.

Docker Related

• canister.io — 20 free private repositories for developers, 30 free private repositories for teams to build and store Docker images

Miscellaneous

• FOSSA - Scalable, end-to-end management for third-party code, license compliance and vulnerabilities.

• ReqBin — Post HTTP Requests Online. Popular Request Methods include GET, POST, PUT, DELETE, and HEAD. Supports Headers and Token Authentication. Includes a basic login system for saving your requests.

• superfeedr.com — Real-time PubSubHubbub compliant feeds, export, analytics. Free with less customization

• SurveyMonkey.com — Create online surveys. Analyze the results online. The free plan allows only 10 questions and 100 responses per survey.

Dec 27, 2019

Management System

• runcloud.io - Server management focusing mainly on PHP projects. Free for up to 1 server.

Forms

• staticforms.xyz - Integrate HTML forms easily without any server-side code for free. After the user submits the form, an email with the form content will be sent to your registered address.

Design and UI

• Webflow - WYSIWYG website builder with animations and website hosting. Free for two projects.

Dec 26, 2019

Screenshot APIs

• microlink.io – It turns any website into data such as metatags normalization, beauty link previews, scraping capabilities, or screenshots as a service. 250 requests/day every day free.

• ApiFlash — A screenshot API based on Aws Lambda and Chrome. Handles full page, captures timing, and viewport dimensions.

• ScreenshotAPI.net - Screenshot API uses a straightforward API call to generate screenshots of any website. Built to scale and hosted on Google Cloud. Offers 100 free screenshots per month.

• screenshotlayer.com — Capture highly customizable snapshots of any website. Free 100 snapshots/month

• screenshotmachine.com — Capture 100 snapshots/month, png, gif and jpg, including full-length captures, not only home page

Forms

• Kwes.io - Feature rich form endpoint. Works great with static sites. The free plan includes up to 1 website with up to 50 monthly submissions.

IDE and Code Editing

• jetbrains.com — Productivity tools, IDEs and deploy tools (aka IntelliJ IDEA, PyCharm, etc). Free license for students, teachers, Open Source and user groups.

Dec 18, 2019

Design and UI

• Proto.io - Create fully interactive UI prototypes without coding. The free tier is available when the free trial ends. The free tier includes one user, one project, five prototypes, 100MB of online storage, and a preview of the proto.io app.

Dec 17, 2019

Tools for Teams and Collaboration

• StatusPile - A status page of status pages. Could you track the status pages of your upstream providers?

Dec 15, 2019

APIs, Data, and ML

• Calendarific - Enterprise-grade Public holiday API service for over 200 countries. The free plan includes 1,000 calls per month.

Dec 05, 2019

Tools for Teams and Collaboration

• Filestash — A Dropbox-like file manager that connects to a range of protocols and platforms: S3, FTP, SFTP, Minio, Git, WebDAV, Backblaze, LDAP and more.

Dec 03, 2019

Visitor Session Recording

• FullStory.com — 1,000 sessions/month with one month data retention and three user seats. More information here.

Nov 29, 2019

Translation Management

• POEditor — Free up to 1000 strings

Nov 28, 2019

Storage and Media Processing

• npoint.io — JSON store with collaborative schema editing

Nov 27, 2019

Forms

• formingo.co- Easy HTML forms for static websites. You can start for free without registering an account. The free plan allows 500 monthly submissions and a customizable reply-to email address.

Web Hosting

• Versoly — SaaS-focused website builder - unlimited websites, 70+ blocks, five templates, custom CSS, favicon, SEO and forms. No custom domain.

Nov 26, 2019

Managed Data Services

• scalingo.com — Primarily a PaaS but offers a 128MB to 192MB free tier of MySQL, PostgreSQL, or MongoDB

Design and UI

• AllTheFreeStock - a curated list of free stock images, audio and videos.

• CodeMyUI - Handpicked collection of Web Design & UI Inspiration with Code Snippets.

Data Visualization on Maps

• geocod.io — Geocoding via API or CSV Upload. Two thousand five hundred free queries/day.

• giscloud.com — Visualize, analyze, and share geo data online.

• mapbox.com — Maps, geospatial services and SDKs for displaying map data.

Package Build System

• build.opensuse.org — Package build service for multiple distros (SUSE, EL, Fedora, Debian, etc.).

• copr.fedorainfracloud.org — Mock-based RPM build service for Fedora and EL.

• help.launchpad.net — Ubuntu and Debian build service.

IDE and Code Editing

• apiary.io — Collaborative design API with instant API mock and generated documentation (Free for unlimited API blueprints and unlimited users with one admin account and hosted documentation).

• jsbin.com — JS Bin is another playground and code-sharing site of front-end web (HTML, CSS, and JavaScript. It Also supports Markdown, Jade, and Sass).

• VSCodium - Community-driven, without telemetry/tracking, and freely-licensed binary distribution of Microsoft’s editor VSCode

Nov 25, 2019

Messaging and Streaming

• pusher.com — Realtime messaging service. Free for up to 100 simultaneous connections and 200,000 messages/day

Nov 23, 2019

Messaging and Streaming

• synadia.com — NATS.io as a service. Global, AWS, GCP, and Azure. Free forever with 4k msg size, 50 active connections, and 5GB of data per month.

Nov 11, 2019

Storage and Media Processing

• QuickChart — Generate embeddable image charts, graphs, and QR codes

Nov 03, 2019

Tools for Teams and Collaboration

• Tefter - Bookmarking app with a powerful Slack integration. Free for open-source teams.

Nov 02, 2019

Tools for Teams and Collaboration

• Spectrum - Create public or private communities for free.

Testing

• cypress.io - Fast, easy and reliable testing for anything that runs in a browser. Cypress Test Runner is always free and open-source with no restrictions and limitations. Cypress Dashboard is free for open-source projects for up to 5 users.

Oct 31, 2019

APIs, Data, and ML

• FraudLabs Pro — Screen an order transaction for credit card payment fraud. This REST API will detect all possible fraud traits based on the input parameters of an order. The Free Micro plan has 500 transactions per month.

Code Quality

• codescene.io - CodeScene prioritizes technical debt based on how the developers work with the code and visualizes organizational factors like team coupling and system mastery. Free for Open Source.

Monitoring

• appneta.com — Free with 1-hour data retention

CDN and Protection

• Microsoft Ajax — The Microsoft Ajax CDN hosts popular third-party JavaScript libraries such as jQuery and enables you to easily add them to your Web application

BaaS

• iron.io — Async task processing (like AWS Lambda) with free tier and 1-month free trial

Tunneling, WebRTC, Web Socket Servers and Other Routers

• segment.com — Hub to translate and route events to other third-party services. 100,000 events/month free

• webhookrelay.com — Manage, debug, fan-out, and proxy all your webhooks to public or internal (i.e. localhost) destinations. Also, expose servers running in a private network over a tunnel by getting a public HTTP endpoint (https://yoursubdomain.webrelay.io <----> http://localhost:8080).

Issue Tracking and Project Management

• kanbantool.com — Kanban board-based project management. The free plan has two boards and two users, without attachments or files.

Visitor Session Recording

• smartlook.com — free packages for web and mobile apps (1500 sessions/month), three heatmaps, one funnel, 1-month data history

Oct 30, 2019

APIs, Data, and ML

• ROBOHASH - Web service to generate unique and cool images from any text.

Oct 28, 2019

Code Quality

• dareboost - 5 free analysis reports for web performance, accessibility, and security each month

Miscellaneous

• PDFMonkey — Manage PDF templates in a dashboard, call the API with dynamic data, and download your PDF. Offers 300 free documents per month.

Oct 25, 2019

Tunneling, WebRTC, Web Socket Servers and Other Routers

• conveyor.cloud — Visual Studio extension to expose IIS Express to the local network or over a tunnel to a public URL.

Oct 21, 2019

APIs, Data, and ML

• Clarifai — Image API for custom face recognition and detection. Able to train AI models. The free plan has 5,000 calls per month.

• Diggernaut — Cloud-based web scraping and data extraction platform for turning any website to the dataset or working with it as an API. The free plan includes 5K page requests monthly.

• dreamfactory.com — Open source REST API backend for mobile, web, and IoT applications. Hook up any SQL/NoSQL database, file storage system, or external service, and it instantly creates a comprehensive REST API platform with live documentation and user management.

• MailboxValidator — Email verification service using real mail server connection to confirm valid email. The free API plan has 300 verifications per month.

• OCR.Space — An OCR API parses image and pdf files that return the text results in JSON format. Twenty-five thousand requests per month are free.

• Pixela - Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible.

• Postman — Simplify workflows and create better APIs – faster – with Postman, a collaboration platform for API development. Use the Postman App for free forever. Postman cloud features are also free forever with certain limits.

• RequestBin.com — Create a free endpoint to which you can send HTTP requests. Any HTTP requests sent to that endpoint will be recorded with the associated payload and headers so you can observe recommendations from webhooks and other services.

Security and PKI

• Sucuri SiteCheck - Free website security check and malware scanner

Management System

• moss.sh - Help developers deploy and manage their web apps and servers. Free up to 25 git deployments per month

Oct 20, 2019

Major Cloud Providers

• IBM Cloud
  • Object Storage - 25GB per month
  • Cloudant database - 1 GB of data storage
  • Db2 database - 100MB of data storage
  • API Connect - 50,000 API calls per month
  • Availability Monitoring - 3 million data points per month
  • Log Analysis - 500MB of daily log
  • Full, detailed list - https://www.ibm.com/cloud/free/

Email

• Substack — Unlimited free newsletter service. Start paying when you charge for it.

Oct 19, 2019

BaaS

• back4app.com - Back4App is an easy-to-use, flexible and scalable backend based on Parse Platform.

Data Visualization on Maps

• Foursquare - Location discovery, venue search, and context-aware content from Places API and Pilgrim SDK.

Oct 18, 2019

Data Visualization on Maps

• stadiamaps.com — Map tiles, routing, navigation, and other geospatial APIs. Two thousand five hundred free map views and API requests/day for non-commercial usage and testing.

Oct 16, 2019

BaaS

• backendless.com — Mobile and Web Baas, with 1 GB file storage free, push notifications of 50,000/month, and 1000 data objects in the table.

Oct 07, 2019

Email

• Sender Up to 15,000 emails/month, up to 2,500 subscribers

Oct 04, 2019

Major Cloud Providers

• Oracle Cloud
  • Compute
    • 2 AMD-based Compute VMs with 1/8 OCPU and 1 GB memory each
    • 4 Arm-based Ampere A1 cores and 24 GB of memory usable as one VM or up to 4 VMs
    • Instances will be reclaimed when deemed idle
  • Block Volume - 2 volumes, 200 GB total (used for compute)
  • Object Storage - 10 GB
  • Load balancer - 1 instance with 10 Mbps
  • Databases - 2 DBs, 20 GB each
  • Monitoring - 500 million ingestion data points, 1 billion retrieval datapoints
  • Bandwidth - 10 TB egress per month, speed limited to 50 Mbps on x64-based VM, 500 Mbps * core count on ARM-based VM
  • Public IP - 2 IPv4 for VMs, 1 IPv4 for load balancer
  • Notifications - 1 million delivery options per month, 1000 emails sent per month
  • Full, detailed list - https://www.oracle.com/cloud/free/

Aug 30, 2019

APIs, Data, and ML

• IPTrace — An embarrassingly simple API that provides your business with reliable and helpful IP geolocation data.

Aug 12, 2019

Analytics, Events and Statistics

• quantcast.com — Unlimited free analytics

Aug 06, 2019

Log Management

• sematext.com — Free up to 500 MB/day, seven days retention

Crash and Exception Handling

• bugsnag.com — Free for up to 2,000 errors/month after the initial trial

IaaS

• backblaze.com — Backblaze B2 cloud storage. Free 10 GB (Amazon S3-like) object storage for unlimited time

Issue Tracking and Project Management

• targetprocess.com — Visual project management, from Kanban and Scrum to almost any operational process. Free for unlimited users, up to 1,000 data entities {more details}

Storage and Media Processing

• filestack.com — File picker, transform, and deliver, free for 250 files, 500 transformations, and 3 GB bandwidth

• image-charts.com — Unlimited image chart generation with a watermark

Data Visualization on Maps

• maptiler.com — Vector maps, map services and SDKs for map visualization. Free vector tiles with weekly updates and four map styles.

Analytics, Events and Statistics

• heap.io — Automatically captures every user action in iOS or web apps. Free for up to 10K monthly sessions.

Visitor Session Recording