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Elysia vs Koa

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Elysia vs Koa
Fact	Elysia	Koa
Language	TypeScript	JavaScript
Licence	MIT	MIT
Stars	19k	36k
Latest	1.4.32	v3.3.0
Last push	2026-11-11	2026-11-03
Release cadence	about 71 days between releases	about 42 days between releases
Active contributors	1 commit author on the default branch in the last 90 days	9 commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Express. Alternatives to Express →
Full replacementElysiaBuilt for Bun, with end-to-end types between server and client.
Full replacementKoaMinimal Node.js web framework built on async functions, with fewer built-in middleware.