JavaScript Koa

Open-source JavaScript projects categorized as Koa

Top 21 JavaScript Koa Projects

  1. Koa

    Expressive middleware for node.js using ES2017 async functions

    Project mention: Koa – Next generation web framework for Node.js | news.ycombinator.com | 2025-01-06
  2. SurveyJS

    JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.

    SurveyJS logo
  3. SpaceX-API

    :rocket: Open Source REST API for SpaceX launch, rocket, core, capsule, starlink, launchpad, and landing pad data.

  4. art-template

    High performance JavaScript templating engine

  5. Grant

    OAuth Proxy

  6. rate-limiter-flexible

    Atomic counters and rate limiting tools. Limit resource access at any scale.

  7. lad

    Node.js framework made by a former @expressjs TC and @koajs team member. Built for @forwardemail, @spamscanner, @breejs, @cabinjs, and @lassjs.

  8. graphql-upload

    Middleware and a scalar Upload to add support for GraphQL multipart requests (file uploads via queries and mutations) to various Node.js GraphQL servers.

  9. Civic Auth

    Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.

    Civic Auth logo
  10. koa-passport

    Passport middleware for Koa

  11. koa-views

    Template rendering middleware for koa (hbs, swig, pug, anything! :sparkles:)

  12. route-list

    Beautifully shows Express/Koa/Hapi/Fastify routes in CLI.

  13. koa-hbs

    Handlebars templates for Koa.js

  14. llm-react-node-app-template

    The Javascript template for an LLM react node app.

  15. puresql

    ES6/7 ready SQL library for node.js inspired by Clojure's yesql

  16. moesif-nodejs

    Moesif Node.js middleware (formerly Moesif-Express), for API Monitoring, Analytics, and Monetization.

    Project mention: API Pricing Strategies: Segmentation and Personalized Models | dev.to | 2025-04-09

    Moesif: Offers dedicated API analytics with user segmentation and revenue metrics

  17. aws-serverless-koa

    This library enables you to utilize AWS Lambda and Amazon API Gateway to respond to web and API requests using the Koa.js application framework

  18. openapi-code-generator

    A code generation tool for openapi 3 / 3.1 specifications written in typescript, primarily aimed at generating typescript clients and server stubs. Other target languages may be added in future.

    Project mention: Show HN: Node-scim / OpenAPI for SCIM v2 | news.ycombinator.com | 2024-09-08

    - I also couldn't find any information about people using SCIM in conjunction with Firebase Auth / GCP identity platform

    As I said this is incredibly raw / early - doesn't support much, and the openapi specification is still extremely inaccurate, but in case anyone else is looking for a SCIM client example thought I'd share.

    It also makes use of one of my other projects https://openapi-code-generator.nahkies.co.nz to generate most of the boilerplate from the openapi specification, and will hopefully turn into a good example of how to effectively leverage that.

    (also if anyone sees this and can direct me to a accurate/complete openapi specification for SCIM v2 that would be incredibly helpful)

  19. i18n

    i18n wrapper and Koa middleware for Lad (by ladjs)

  20. lambda-opentelemetry

    AWS Lambda instrumentation using Open Telemetry SDKs. Project initialised using serverless framework

  21. H5-Learn

    H5成长学习项目,包含:各种基础知识(js/css/html)、mini实现(express/koa) 等

  22. koa-webc

    koa middleware to render WebC views

  23. koa-twig

  24. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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JavaScript Koa related posts

  • Koa – Next generation web framework for Node.js

    1 project | news.ycombinator.com | 6 Jan 2025
  • Introduction to hono.dev - Building a Serverless API Easily

    3 projects | dev.to | 24 Sep 2024
  • Awesome Open-Source Projects for Developers (Part 1)

    2 projects | dev.to | 26 Jul 2024
  • How to generate dynamic OG (OpenGraph) images with Satori and React

    3 projects | dev.to | 27 Jun 2024
  • Hono vs. H3 vs. HatTip vs. Elysia - modern server(less) replacements for Express

    2 projects | dev.to | 12 Mar 2024
  • LLM React Node app template

    1 project | news.ycombinator.com | 10 Feb 2024
  • Public Template – Node React LLM App

    1 project | news.ycombinator.com | 7 Dec 2023
  • A note from our sponsor - SurveyJS
    surveyjs.io | 13 May 2025
    Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more. Learn more →

Index

What are some of the best open-source Koa projects in JavaScript? This list will help you:

# Project Stars
1 Koa 35,478
2 SpaceX-API 10,642
3 art-template 9,869
4 Grant 4,146
5 rate-limiter-flexible 3,239
6 lad 2,290
7 graphql-upload 1,434
8 koa-passport 774
9 koa-views 711
10 route-list 394
11 koa-hbs 160
12 llm-react-node-app-template 83
13 puresql 51
14 moesif-nodejs 43
15 aws-serverless-koa 39
16 openapi-code-generator 23
17 i18n 10
18 lambda-opentelemetry 4
19 H5-Learn 3
20 koa-webc 2
21 koa-twig 0

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