Best Open Source reactjs Libraries
A curated list of the most popular GitHub repositories tagged with reactjs. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1pmndrs/zustand
🐻 Bear necessities for state management in React
#2react-hook-form/react-hook-form
📋 React Hooks for form state management and validation (Web + React Native)
#3sudheerj/reactjs-interview-questions
List of top 500 ReactJS Interview Questions & Answers....Coding exercise questions are coming soon!!
#4twentyhq/twenty
Building a modern alternative to Salesforce, powered by the community.
#5chakra-ui/chakra-ui
Chakra UI is a component system for building SaaS products with speed ⚡️
#6novuhq/novu
The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.
#7ToolJet/ToolJet
ToolJet is the open-source foundation of ToolJet AI - the AI-native platform for building internal tools, dashboard, business applications, workflows and AI agents 🚀
#8NervJS/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/
#9DavidHDev/react-bits
An open source collection of animated, interactive & fully customizable React components for building memorable websites.
#10conductor-oss/conductor
Conductor is an event driven agentic orchestration platform providing durable and highly resilient execution engine for applications and AI Agents
#11CopilotKit/CopilotKit
The Frontend Stack for Agents & Generative UI. React + Angular. Makers of the AG-UI Protocol
#12heroui-inc/heroui
🚀 Beautiful, fast and modern React UI library. (Previously NextUI)
#13TanStack/table
🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table
#14Asabeneh/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
#15marmelab/react-admin
A frontend Framework for single-page applications on top of REST/GraphQL APIs, using TypeScript, React and Material Design
#16SigNoz/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
#17Redocly/redoc
📘 OpenAPI/Swagger-generated API Reference Documentation
#18mastra-ai/mastra
From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.
#19testing-library/react-testing-library
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
#20emotion-js/emotion
👩🎤 CSS-in-JS library designed for high performance style composition
#21vasanthk/react-bits
✨ React patterns, techniques, tips and tricks ✨
#22tremorlabs/tremor-npm
React components to build charts and dashboards
#23suitenumerique/docs
A collaborative note taking, wiki and documentation platform that scales. Built with Django and React.
#24infinitered/reactotron
A desktop app for inspecting your React JS and React Native projects. macOS, Linux, and Windows.
#25ansible/awx
AWX provides a web-based user interface, REST API, and task engine built on top of Ansible. It is one of the upstream projects for Red Hat Ansible Automation Platform.
#26jaywcjlove/reference
面向开发者的技术速查清单（Cheat Sheets）集合，整理常见技术、工具与开发流程，帮助快速查阅关键信息，提高开发效率。
#27streetwriters/notesnook
A fully open source & end-to-end encrypted note taking alternative to Evernote.
#28woocommerce/woocommerce
A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.
#29greatfrontend/top-javascript-interview-questions
Top JavaScript interview questions and answers for Front End Engineers in 2026
#30rsuite/rsuite
🧱 A suite of React components .
#31sanity-io/sanity
Sanity Studio – Rapidly configure content workspaces powered by structured content
#32coreui/coreui-free-react-admin-template
Free React Admin & Dashboard Template Built for AI-Assisted Development
#33hexlet-codebattle/codebattle
Codebattle - Game for programmers, where you solved algorithmic problems with other players in real time. You can fight with other players in single player mode or join massive tournaments.
#34SimplePDF/simplepdf-embed
PDF editor in the browser – add text, checkboxes, pictures, signatures to PDF files. Merge, rotate PDF pages – iframe, script and React component
#35shijistar/enum-plus
A drop-in replacement for native enum. Like native enum, but much better!
#36reportportal/service-ui
UI service for ReportPortal