Fast and low overhead web framework, for Node.js
Plugin architecture with schema-based validation and serialisation.
- Language
- JavaScript
- Licence
- MIT
- Stars
- 37k
- Latest
- v5.12.5
- Last push
- 2026-10-06
Koa
Web framework built on Web Standards
Small and middleware-based, running on Node, Bun, Deno and edge runtimes.
- Language
- TypeScript
- Licence
- MIT
- Stars
- 32k
- Latest
- v4.13.13
- Last push
- 2026-10-06
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- v3.2.12026-05-21fix: request.length overflows on Content-Length > 2GB
- v3.2.02026-03-28docs: remove dead Job Board links
- v2.16.42026-02-25fix(security): Host Header Injection via ctx.hostname by @killagu
- v3.1.22026-02-25fix: typo in troubleshooting.md
- v3.1.12025-10-27fix: only original value destroy if the new value is not a stream
✓ signed The latest release, v3.2.1, carries a signature GitHub verified.
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