best-of ranking · updated nightly

Best Open Source Developer Tools Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

1. 1
   OpenCode ★ 208K

   AI coding agent for terminal, IDE, and desktop

   MIT TypeScript pushed 2026-09-17 details →
2. 2
   Langflow ★ 155K

   Visual builder for AI agents and RAG pipelines

   MIT Python pushed 2026-09-17 details →
3. 3
   Supabase ★ 110K

   Postgres-powered backend platform for production apps

   Apache-2.0 TypeScript pushed 2026-09-17 details →
4. 4
   pi ★ 107K

   Minimal terminal coding agent you can fully customize

   MIT TypeScript pushed 2026-09-17 details →
5. 5
   fastapi ★ 102K

   FastAPI framework, high performance, easy to learn, fast to code, ready for production

   MIT Python pushed 2026-09-14 details →
6. 6
   Neovim ★ 102K

   Hyperextensible, Lua-powered Vim-based text editor

   NOASSERTION Vim Script pushed 2026-09-17 details →
7. 7
   Zed ★ 90K

   High-performance code editor built for speed and AI

   NOASSERTION Rust pushed 2026-09-17 details →
8. 8
   OpenHands ★ 88K

   Autonomous coding agents that complete real engineering tasks

   MIT TypeScript pushed 2026-09-17 details →
9. 9
   vite ★ 83K

   Next generation frontend tooling. It's fast!

   MIT TypeScript pushed 2026-09-17 details →
10. 10
    Paperclip ★ 81K

    Org chart, budgets, and governance for AI agent teams

    MIT TypeScript pushed 2026-09-17 details →

last updated nightly · ranking method: github stars, live-tracked

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