koa
Koa web app framework
A lightweight, modern core by the Express team.
When to choose it: You want a tiny async/await middleware core and to assemble the rest yourself.
- + Modern async middleware
- + Tiny core
- + Clean design
- - Assemble everything yourself
- - Smaller ecosystem
- Latest version
- 3.2.1
- Monthly downloads
- 30,749,504
- GitHub stars
- 35,709
- Minified + gzip
- 61.8 kB
- Dependencies
- 18
- License
- MIT
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Data from npm, Bundlephobia and GitHub. Last updated 2026-06-02.