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Top 23 ReactJS Open-Source Projects
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Project mention: 7 Free Tools and Resources for Building Well-Structured React Applications | dev.to | 2026-05-07
Zustand is a small, fast state management library for React. Its API is intentionally minimal: you define a store with state and actions, and you consume the store with a hook. There is no boilerplate beyond defining what the store holds and what operations change it.
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Website: twenty.com
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Project mention: How to Build Type-Safe Form Handlers Using TypeScript Utility Types | dev.to | 2026-05-20
This pattern works cleanly with Zod and React Hook Form. Zod schemas can infer TypeScript types directly, so you define validation rules and get the type for free:
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reactjs-interview-questions
List of top 500 ReactJS Interview Questions & Answers....Coding exercise questions are coming soon!!
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react-bits
An open source collection of animated, interactive & fully customizable React components for building memorable websites.
Project mention: How I Fixed a CSS Animation Bug in an Open Source React Library | dev.to | 2026-05-26If you want to check out the PR: https://github.com/DavidHDev/react-bits/pull/851
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Project mention: chakra-ui VS ui - a user suggested alternative | libhunt.com/r/chakra-ui | 2025-10-11
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Project mention: I Mass-Unsubscribed from 40 Changelog Newsletters and Built My Own Aggregator | dev.to | 2026-01-13
I work at https://novu.co. We build notification infrastructure.
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ToolJet
ToolJet is the open-source foundation of ToolJet AI - the enterprise app generation platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀
Project mention: Open Source Retool Alternative: A Code-First, AI-Native Approach | dev.to | 2026-04-28ToolJet: github.com/ToolJet/ToolJet
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taro
开放式跨端跨框架解决方案，支持使用 React/Vue 等框架来开发微信/京东/百度/支付宝/字节跳动/ QQ 小程序/H5/React Native 等应用。 https://taro.zone/
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CopilotKit
The Frontend Stack for Agents & Generative UI. React + Angular. Makers of the AG-UI Protocol
The instructions prop is ignored with custom agents. We set system instructions via CopilotSidebar's instructions field and they were silently dropped. This is a known open CopilotKit issue. The workaround: define instructions in the agent's system message directly.
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conductor
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
Project mention: Conductor, an orchestration engine for microservices and event-driven workflows | news.ycombinator.com | 2025-10-05 -
HeroUI provides accessible, pre-built components that work well with Tailwind CSS. So far, I think this is one of the best UI libraries so make sure you check it out.
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react-table
🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table
Project mention: Build a Collaborative Inventory Dashboard with TanStack, Velt SDK and Kiro IDE⛵ | dev.to | 2025-09-12TanStack Table is a headless UI library for building tables and data grids for JavaScript/TypeScript applications. Since it’s a headless UI library, you have control over the design and components.
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30-Days-Of-React
30 Days of React challenge is a step by step guide to learn React in 30 days. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
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signoz
SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool
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react-admin
A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design
Project mention: Friday Links #30 — JavaScript Updates, Tools, and Inspiration | dev.to | 2025-10-17React Admin v5.12.0, TanStack Router 1.133, React Hook Form v7.65.0, Pixijs v8.14.0
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mastra
From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.
Project mention: Flue is a TypeScript framework for building the next generation of agents | news.ycombinator.com | 2026-05-02Why would I choose this over Mastra? [0]
[0] https://mastra.ai/
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Project mention: strace-ui, Bonsai_term, and the TUI renaissance | news.ycombinator.com | 2026-06-02
Probably not as extensive as you mean but its sort of a stepping stone.
https://github.com/wavetermdev/waveterm
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react-testing-library
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
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Check out the Emotion project: GitHub
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docs
A collaborative note taking, wiki and documentation platform that scales. Built with Django and React. (by suitenumerique)
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).
ReactJS discussion
ReactJS related posts
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Zustand: Bear necessities for state management in React
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Why Multi-Step Forms Outperform Long Single-Page Forms for Complex Signups
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Our release tool crashed on a large PR. Here's the React diff library I ended up writing.
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WebUSB Extension for Firefox
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Terraink: Free and Open Source Map Poster and Wallpaper Creator
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Stop Fighting Zustand Context: Practical Store Scoping Patterns for React
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Show HN: I took back Video.js after 16 years and we rewrote it to be 88% smaller
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A note from our sponsor - SaaSHub
www.saashub.com | 6 Jun 2026
Index
What are some of the best open-source ReactJS projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | zustand | 58,206 |
| 2 | Twenty | 49,077 |
| 3 | react-hook-form | 44,752 |
| 4 | reactjs-interview-questions | 44,617 |
| 5 | react-bits | 40,481 |
| 6 | chakra-ui | 40,428 |
| 7 | novu | 39,075 |
| 8 | ToolJet | 37,978 |
| 9 | taro | 37,516 |
| 10 | CopilotKit | 32,542 |
| 11 | conductor | 31,878 |
| 12 | heroui | 29,551 |
| 13 | react-table | 28,065 |
| 14 | 30-Days-Of-React | 27,399 |
| 15 | signoz | 27,194 |
| 16 | react-admin | 26,763 |
| 17 | redoc | 25,722 |
| 18 | mastra | 24,798 |
| 19 | Wave Terminal | 21,031 |
| 20 | react-testing-library | 19,596 |
| 21 | emotion | 18,019 |
| 22 | react-bits | 17,411 |
| 23 | docs | 16,552 |
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