This page summarizes the projects mentioned and recommended in the original post on

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  • Onboard AI - ChatGPT with full context of any GitHub repo.
  • InfluxDB - Power Real-Time Data Analytics at Scale
  • WorkOS - The modern API for authentication & user identity.
  • free-for-dev

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

    This list is the result of Pull Requests, reviews, ideas and work done by 1100+ people. You too can help by sending Pull Requests to add more services or by remove ones whose offerings have changed or been retired.

  • Mocky

    Generate custom HTTP responses, the simpler way to test your Web Services

    Mocky - A simple web app to generate custom HTTP responses for mocking HTTP request. Also available as open source.

  • Onboard AI

    ChatGPT with full context of any GitHub repo. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at

  • public-apis

    A collective list of free APIs

    Public-Apis Github Repo — A list of free public APIs.

  • awesome-ci

    List of Continuous Integration services

    ligurio/awesome-ci — Comparison of Continuous Integration services

  • checkov

    Prevent cloud misconfigurations and find vulnerabilities during build-time in infrastructure as code, container images and open source packages with Checkov by Bridgecrew.

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

  • Tutanota makes encryption easy

    Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

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


    参考新项目: Public Archived, See new project. - Free subdomains for GitHub Pages and Vercel.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  • free-domain

    Get a & domain for free and instantly & — Free and subdomains for developers.

  • free-domains

    🌐 Grab your own subdomain (for personal sites, open-source projects, and more) for free [GET 403 - Repository access blocked] - Free and subdomains (wildcards, A, NS, AAAA, CNAME, TXT records are supported).

  • localtunnel

    expose yourself

    localtunnel — Expose locally running servers over a tunnel to a public URL. Free hosted version, and open source.

  • pencil

    The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.

    Pencil - Open source design tool using Electron.

  • xlayers

    ✨ Generate code from your design

    xLayers - Preview and convert Sketch design files into Angular, React, Vue, LitElement, Stencil, Xamarin and more (free and open source at

  • FOSS-for-Dev

    A hub of Free and open-source software for developers — FOSS for Dev — A hub of free and Open Source software for developers.

  • Zulip

    Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

    Zulip — Real-time chat with unique email-like threading model. Free plan includes 10,000 messages of search history and File storage up to 5 GB. also it provides self-hostable open-source version.

  • ZeroTier

    A Smart Ethernet Switch for Earth

    ZeroTier — FOSS managed virtual Ethernet as a service. Unlimited end-to-end encrypted networks of 100 clients on free plan. Clients for desktop/mobile/NA; web interface for configuration of custom routing rules and approval of new client nodes on private networks

  • TinyMCE

    The world's #1 JavaScript library for rich text editing. Available for React, Vue and Angular

    TinyMCE - rich text editing API. Core features free for unlimited usage.

  • terraform

    Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned. — Terraform Cloud. Free remote state management and team collaboration for teams up to 5 users.

  • node-sparkpost

    SparkPost client library for Node.js — First 500 emails/month free

  • Skylight

    Skylight agent for Ruby — Free for first 100,000 requests (Rails only)

  • webrtc

    Video chat App with WebRTC using Scaledrone Realtime Messaging Service (by ScaleDrone) — Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events/day

  • sanity

    Sanity Studio – Rapidly configure content workspaces powered by structured content - Platform for structured content that comes with an open-source editing environment and a real-time hosted data store. Unlimited projects. Unlimited admin users, 3 non-admin users, 2 datasets, 500K API CDN requests, 10GB bandwidth, 5GB assets included for free per project.

  • purchases-ios

    In-app purchases and subscriptions made easy. Support for iOS, watchOS, tvOS, macOS, and visionOS.

    RevenueCat — Hosted backend for in-app purchases and subscriptions (iOS and Android). Free up to $10k/mo in tracked revenue.

  • Pulumi

    Pulumi - Infrastructure as Code in any programming language. Build infrastructure intuitively on any cloud using familiar languages 🚀

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

  • plasmic

    Visual builder for React. Build apps, websites, and content. Integrate with your codebase.

    Plasmic - A fast, easy to use, powerful 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.

  • nami-apple

    Easy Apple subscriptions & in-app purchases, with powerful built-in paywalls and A/B testing.

    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.

  • NodeJs-Cucumber-Selenium

    Run test automation on cloud with Cucumber.js and LambdaTest. This is a sample repo to help you execute Cucumber.js framework based test scripts in parallel with LambdaTest automation testing cloud — Manual, visual, screenshot and automated browser testing on selenium and cypress, free for Open Source

  • intellij-plugins

    Open-source plugins included in the distribution of IntelliJ IDEA Ultimate and other IDEs based on the IntelliJ Platform — Productivity tools, IDEs and deploy tools (aka IntelliJ IDEA, PyCharm, etc). Free license for students, teachers, Open Source and user groups.

  • ip2location-go

    Use IP2Location geolocation database to lookup the geolocation information with IP2Location Go Package. It can be used to determine country, region, city, coordinates, zip code, time zone, ISP, domain name, connection type, area code, weather, MCC, MNC, mobile brand name, elevation, usage type, address type and IAB category that any IP address or hostname originates from.

    IP2Location — Freemium IP geolocation service. LITE database is available for free download. Import the database in server and perform local query to determine city, coordinates and ISP information.

  • Real-Time monitoring package for Laravel

    Connect your Laravel application to Inspector. - A complete Real-Time monitoring dashboard in less than one minute with free forever tier.

  • c-sharp

    ⚡️Official Image-charts C# library (by image-charts) — Unlimited image chart generation with a watermark

  • Incoming

    Incoming! helps you receive email in your Rack apps. - Exception, uptime, and cron monitoring. Free for small teams and open-source projects (12,000 errors/month).

  • php-image-resize — Image resize-as-a-service. It also optimizes images and performs delivery via CDN. Free tier includes 1 GB bandwidth and unlimited number of image processing every month for 1 year.

  • GoatCounter

    Easy web analytics. No tracking of personal data.

    GoatCounterGoatCounter 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. Free tier is for non-commerical use and includes unlimited number of sites, 6 months of data retention, and 100k pageviews/month.

  • openvscode-server

    Run upstream VS Code on a remote machine with access through a modern web browser from any device, anywhere. — Instant, ready-to-code dev environments for GitHub projects. Free for open source.

  • country-borders

    Country Borders is a complete list of countries and the associated land border countries (the neighbouring countries).

    GeoDataSource — Location search service lookup for city name by using latitude and longitude coordinate. Free API queries up to 500 times per month.

  • Gatsby

    The best React-based framework with performance, scalability and security built in.

    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!

  • magento2

    FraudLabs Pro Fraud Prevention plugin that screen the order transaction for online frauds. Fraud Prevention extension for Magento 2. (by fraudlabspro)

    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. Free Micro plan has 500 transactions per month.

  • Filestash

    🦄 A modern web client for SFTP, S3, FTP, WebDAV, Git, Minio, LDAP, CalDAV, CardDAV, Mysql, Backblaze, ...

    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.

  • filestack-python

    Official Python SDK for Filestack - API and content management system that makes it easy to add powerful file uploading and transformation capabilities to any web or mobile application. — File picker, transform and deliver, free for 250 files, 500 transformations and 3 GB bandwidth

  • Codename One

    Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web. — Open source, cross platform, mobile app development toolchain for Java/Kotlin developers. Free for commercial use with unlimited number of projects

  • flow-pipeline

    A set of tools and examples to run a flow-pipeline (sFlow, NetFlow)

    Cloudflare CDN along with free SSL Free DNS for unlimited number of domains Firewall rules and pagerules Analytics Email forwarding Free Unmetered Rate Limiting - 1 rule per domain Cloudflare Pages — Free web hosting (JAMstack platform) for frontend developers to collaborate and deploy websites. 1 build at a time, 500 builds/month, unlimited sites, unlimited requests, unlimited bandwidth. Cloudflare Workers — Deploy serverless code for free on Cloudflare's global network. 100,000 free requests per day with a subdomain. Quick Tunnels — Create a tunnel from your server to a publically accessible, randomly-generated domain. No account required.

  • ci

    AppVeyor community support repository — CD service for Windows, free for Open Source

  • wrangler-legacy

    🤠 Home to Wrangler v1 (deprecated)

    Cloudflare Workers — Deploy serverless code for free on Cloudflare's global network. 100,000 free requests per day with a subdomain.

  • wit

    Natural Language Interface for apps and devices — NLP for developers.

  • windmill

    Open-source developer platform to turn scripts into workflows and UIs. Fastest workflow engine (5x vs Airflow). Open-source alternative to Airplane and Retool. - Windmill is an open-source developer platform to quickly build production-grade multi-steps automations and internal apps from minimal Python and Typescript scripts. Free user you can create and be member of at most 3 non-premium workspaces.

  • Weblate

    Web based localization tool with tight version control integration. — It's free for libre projects up to 10,000 string source for the free tier, and Unlimited Self-hosted on-premises.

  • vscodium

    binary releases of VS Code without MS branding/telemetry/licensing

    VSCodium - Community-driven, without telemetry/tracking, and freely-licensed binary distribution of Microsoft’s editor VSCode

  • Virgil Security Objective-C/Swift Crypto Library

    Virgil Crypto stack Objective-C/Swift

    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.

  • vercel

    Develop. Preview. Ship.

    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.

  • Vaadin

    Vaadin 6, 7, 8 is a Java framework for modern Java web applications. (by vaadin)

    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 5 years free maintenance.

  • utterances

    :crystal_ball: A lightweight comments widget built on GitHub issues

    Utterances - A lightweight comments widget built on GitHub issues. Use GitHub issues for blog comments, wiki pages and more!

  • go-unsplash

    Go Client for the Unsplash API - Free stock photos for commercial and noncommercial purposes (do-whatever-you-want license).

  • unpkg

    The CDN for everything on npm

    UNPKG — CDN for everything on npm

  • tolgee-platform

    Developer & translator friendly web-based localization platform

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

  • tldraw

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

  • terminusdb

    TerminusDB is a distributed database with a collaboration model

    TerminusX — 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.

  • tailscale

    The easiest, most secure way to use WireGuard and 2FA.

    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 20 devices.

  • Taiga

    Agile project management platform. Built on top of Django and AngularJS — Project management platform for startups and agile developers, free for Open Source

  • tabler-icons

    A set of over 4900 free MIT-licensed high-quality SVG icons for you to use in your web projects. — Over 1500 free copy and paste SVG editable icons.

  • SuperTokens Community

    Open source alternative to Auth0 / Firebase Auth / AWS Cognito

    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.

  • supabase

    The open source Firebase alternative.

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

  • storj

    Ongoing Storj v3 development. Decentralized cloud object storage that is affordable, easy to use, private, and secure.

    Storj — Decentralised Private Cloud Storage for Apps and Developers. Free plan provides 1 Project, 150 GB storage, 150 GB bandwidth per month.

  • http-spec

    Utilities to normalize OpenAPI v2 and v3 objects for the Stoplight ecosystem.

    Stoplight - Saas for collaborativly designing and documenting for APIs. The free plan offers free design, mocking and documentation tools to get started.

  • staticman

    💪 User-generated content for Git-powered websites

    Staticman - Staticman is a Node.js application that receives user-generated content and uploads it as data files to a GitHub and/or GitLab repository, using Pull Requests.

  • StackStorm

    StackStorm (aka "IFTTT for Ops") is event-driven automation for auto-remediation, incident responses, troubleshooting, deployments, and more for DevOps and SREs. Includes rules engine, workflow, 160 integration packs with 6000+ actions (see and ChatOps. Installer at — Event-driven automation for apps, services and workflows, free without flow, access control, LDAP,...

  • core

    Online IDE powered by Visual Studio Code ⚡️ (by stackblitz) — Online/Cloud Code IDE to create, edit, & deploy fullstack apps. Support any popular NodeJs based frontend & backend frameworks. Shortlink to create new project:

  • WorkOS

    The modern API for authentication & user identity. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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