Koa.js

@koajs

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Expressive middleware for node.js using ES2017 async functions

JavaScript 35.7k 3.2k
Example Koa apps

JavaScript 4.5k 729
Middleware composition utility

JavaScript 1k 144
Router middleware for Koa.

TypeScript 908 179
Middleware for handling `multipart/form-data` for koa, based on Express's multer.

JavaScript 175 25
X-Response-Time middleware

JavaScript 128 10

Showing 10 of 104 repositories

is-json Public
check if a koa body should be interpreted as JSON

koajs/is-json’s past year of commit activity
koajs/body-parsers’s past year of commit activity

TypeScript
40
MIT
10 0 2
Updated Feb 19, 2026
compress Public
Compress middleware for koa

koajs/compress’s past year of commit activity

JavaScript
444
MIT
38 1 3
Updated Feb 19, 2026
resourcer-docs Public
[MAINTAINERS WANTED] Simple app that generates documentation for routes mounted using koa-resourcer.

koajs/resourcer-docs’s past year of commit activity

JavaScript
6
MIT
1 0 6
Updated Feb 17, 2026
koajs/workshop’s past year of commit activity

JavaScript
443
MIT
105 3 6
Updated Feb 16, 2026
router Public
Router middleware for Koa.

koajs/router’s past year of commit activity

TypeScript
908
MIT
179 0 1
Updated Feb 14, 2026
koa Public
Expressive middleware for node.js using ES2017 async functions

koajs/koa’s past year of commit activity
koajs/response-time’s past year of commit activity

JavaScript
128 10 2 5
Updated Feb 9, 2026
locales Public
koa locales, i18n solution for koa

koajs/locales’s past year of commit activity

JavaScript
69 29 8 7
Updated Feb 3, 2026
koajs/path-match’s past year of commit activity

JavaScript
36
MIT
5 2 8
Updated Jan 28, 2026

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