freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

An enterprise-class UI design language and React UI library

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

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

✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

Apache Superset is a Data Visualization and Data Exploration Platform

Easy to maintain open source documentation websites.

🐻 Bear necessities for state management in React

Build like a team of hundreds_

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

A terminal built on web technologies

Build AI Agents, Visually

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

very good whiteboard SDK / infinite canvas SDK

✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML, CSV and more, into interactive graphs.

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅

Chakra UI is a component system for building SaaS products with speed ⚡️

🔥 🔥 🔥 Open Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and cycles the easiest way on the planet.