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Top 17 JavaScript Dev Tool Projects
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HANDSONTABLE
JavaScript Data Grid / Data Table with a Spreadsheet Look & Feel. Works with React, Angular, and Vue. Supported by the Handsontable team ⚡
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Puter.js
Puter.js - The Backend for AI-Generated Apps. One-shot full-stack apps with your existing AI coding tool. Puter.js gives you Auth, Storage, DB, AI & more, with up to 90% fewer AI tokens than other backend platforms.
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react-testing-library
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
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Universal Data Tool
Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.
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redux-test-recorder
a redux middleware to automatically generate tests for reducers through ui interaction
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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mdebug
基于React开发的新一代web调试工具，支持React组件调试，类似于Chrome Devtools。A Lightweight, Easy To Extend Web Debugging Tool Build With React
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unexpected-react
Plugin for http://unexpected.js.org to enable testing the full React virtual DOM, and also the shallow renderer
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react-redux-api-tools
A set of tools to facilitate react-redux development and decouple logic from compontents
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ArrayCat
ArrayCat is a tool for converting data from different formats into array. For example, from comma separated list to PHP array.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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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A note from our sponsor - Puter.js
developer.puter.com | 9 Aug 2026
Index
What are some of the best open-source Dev Tool projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | HANDSONTABLE | 22,008 |
| 2 | react-testing-library | 19,633 |
| 3 | Universal Data Tool | 2,067 |
| 4 | remote-redux-devtools | 1,798 |
| 5 | react-atellier | 990 |
| 6 | chai-enzyme | 780 |
| 7 | redux-test-recorder | 492 |
| 8 | redux-devtools-dock-monitor | 404 |
| 9 | redux-devtools-log-monitor | 308 |
| 10 | mdebug | 263 |
| 11 | legit-tests | 248 |
| 12 | react-unit | 194 |
| 13 | unexpected-react | 185 |
| 14 | redux-devtools-filterable-log-monitor | 152 |
| 15 | react-redux-api-tools | 40 |
| 16 | rel-events | 21 |
| 17 | ArrayCat | 4 |
Sponsored
Puter.js - The Backend for AI-Generated Apps
One-shot full-stack apps with your existing AI coding tool. Puter.js gives you Auth, Storage, DB, AI & more, with up to 90% fewer AI tokens than other backend platforms.
developer.puter.com