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 Codyn'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
#18testing-library/react-testing-library
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
#19emotion-js/emotion
👩🎤 CSS-in-JS library designed for high performance style composition
#20vasanthk/react-bits
✨ React patterns, techniques, tips and tricks ✨
#21tremorlabs/tremor-npm
React components to build charts and dashboards
#22suitenumerique/docs
A collaborative note taking, wiki and documentation platform that scales. Built with Django and React.
#23infinitered/reactotron
A desktop app for inspecting your React JS and React Native projects. macOS, Linux, and Windows.
#24ansible/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.
#25jaywcjlove/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。
#26streetwriters/notesnook
A fully open source & end-to-end encrypted note taking alternative to Evernote.
#27formbricks/formbricks
Open Source Qualtrics Alternative
#28meshery/meshery
Meshery, the cloud native manager
#29greatfrontend/top-javascript-interview-questions
Top JavaScript interview questions and answers for Front End Engineers in 2026
#30rsuite/rsuite
🧱 A suite of React components .
#31coreui/coreui-free-react-admin-template
Free React Admin & Dashboard Template Built for AI-Assisted Development
#32marketcalls/openalgo
Open Source Algo Trading Platform for Everyone
#33dappros/ethora
SDK monorepo for Ethora chat / messaging platform. (1) Pick an SDK for your frontend stack. (2) Integrate manually or using ethora-setup. (3) Optionally configure app settings, deploy AI agents etc. Server: ethora.com cloud [free]. Dedicated server + SLA option for enterprise customers.
#34lablup/backend.ai-webui
Backend.AI Web UI for web / desktop app (Windows/Linux/macOS). Backend.AI Web UI provides a convenient environment for users, while allowing various commands to be executed without CLI. It also provides some visual features that are not provided by the CLI, such as dashboards and statistics.
#35ChinmayKaitade/chinmaykaitade
🚀 Passionate MERN Stack Developer crafting interactive web apps & exploring AI innovations. 💻 Building projects with React, Node.js, Express, MongoDB & sharing open-source contributions.