freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

Material UI: Ready-to-use foundational React components, free forever. It includes Material UI, which implements Google's Material Design.

An enterprise-class UI design language and React UI library

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

A utility-first CSS framework for rapid UI development.

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

A JS library for predictable global state management

Declarative routing for React

The repository for high quality TypeScript type definitions.

The web framework for content-driven websites. ⭐️ Star to support our work!

Delightful JavaScript Testing.

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

Quill is a modern WYSIWYG editor built for compatibility and extensibility

📋 React Hooks for form state management and validation (Web + React Native)

The communications platform that puts data protection first.

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

⏳ Modern JavaScript date utility library ⌛️

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

TypeScript-first schema validation with static type inference

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

React Hooks for Data Fetching

A completely customizable framework for building rich text editors. (Currently in beta.)

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.

A JavaScript library to position floating elements and create interactions for them.

Fast, disk space efficient package manager

Build Better Websites. Create modern, resilient user experiences with web fundamentals.

The fast, flexible, and elegant library for parsing and manipulating HTML and XML.

✌️ A spring physics based React animation library

The Select Component for React.js