Open Source #DevOps#Open Source 5 min read

10 open source repos that went viral in May 2025

Signal, not noise — filtered from 3000+ GitHub trending entries

Published May 18, 2025 Updated May 27, 2026

The list

  1. zed-editor/zed — Rust-native editor hit 50k stars after v0.1 stable
  2. casey/just — Makefile alternative, now with TOML config support
  3. astral-sh/ruff — Python linter crossed 30k stars, added formatter parity
  4. oven-sh/bun — Bun 2.0 shipped; test runner now faster than Vitest
  5. tw-in-js/twind — Atomic CSS runtime without the build step
  6. nickel-lang/nickel — Configuration language for replacing YAML/Nix
  7. shuttle-hq/shuttle — Rust-native PaaS hit 1.0
  8. gleam-lang/gleam — Erlang-targeting language with Go-like simplicity
  9. juspay/hyperswitch — Open source payments orchestration layer
  10. piku/piku — Self-hosted Heroku in 1000 lines of Python

Why these

Each one solves a real pain point rather than wrapping an existing tool in a new logo.

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