🚀 Discover the best open-source tools for developers!
🛠️ Curated collection to build, test & ship faster.
🌍 Open-source & community-driven projects.
PocketBase: an open-source realtime backend in one file, with auth, files and an admin UI.
- Go, MIT, ~61.3k GitHub stars, ~3.7k forks
- ~44 contributors, master, v0.40.4
- Embedded SQLite, realtime subscriptions, REST-ish API
Best for: an app backend without running a stack
AppFlowy: the open-source Notion alternative. An AI workspace for docs, wikis and projects.
- Dart, AGPL-3.0, ~77.2k GitHub stars, ~6.1k forks
- ~363 contributors, main, v0.14.7
- Flutter + Rust, desktop and mobile, self-hostable
Best for: a Notion-style workspace you control
Pathway: a Python ETL framework for stream processing, real-time analytics, LLM pipelines and RAG.
- Python, ~62.2k GitHub stars, ~1.7k forks
- ~43 contributors, main, v0.33.0
- Rust engine, one codebase for batch and streaming
Best for: live data pipelines and real-time RAG
Coolify: a self-hostable alternative to Heroku, Netlify and Vercel. Deploy on your own servers.
- PHP, Apache-2.0, ~62.7k GitHub stars, ~5.6k forks
- ~412 contributors, main, v4.4.0
- Git push deploys, PR previews, one-click services
Best for: self-hosting apps on a VPS
Astro: the web framework for content-driven websites. Islands ship zero JS by default.
- TypeScript, ~63.1k GitHub stars, ~3.8k forks
- ~337 contributors, main, astro@7.3.5
- React/Vue/Svelte integrations, static or SSR
Best for: fast blogs, docs and marketing sites
Open Interpreter — a terminal coding agent optimized for low-cost open models like Kimi K3.
- Rust · Apache-2.0 · ~68.5k GitHub stars
- ~473 contributors · main · 0.0.55
- Codex fork · swappable harnesses · MCP + ACP editors
Best for: Codex-style coding on cheap open models
Openpilot — a robotics OS that upgrades driver assistance on 300+ supported cars.
- Python · MIT · ~63.8k GitHub stars
- ~427 contributors · master · 0.11.1
- Runs on a comma four plugged into your car's harness
Best for: DIY open-source driver assistance in your own car
Strix — AI pentesting agents that find and fix your app’s vulnerabilities.
- Python · Apache-2.0 · ~66.6k GitHub stars
- ~72 contributors · main · 1.7.0
- Autonomous agents validate bugs with real proofs-of-concept
Best for: automated app security testing in CI/CD
Traefik — The cloud native application proxy.
- Go · MIT · ~65.1k GitHub stars
- ~415 contributors · master · 3.7.13
- Auto HTTPS, Docker & Kubernetes discovery built in
Best for: routing and securing microservices at the edge