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

Visual Studio Code

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

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

An enterprise-class UI design language and React UI library

Virtual whiteboard for sketching hand-drawn like diagrams

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

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

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

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

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

Apache Superset is a Data Visualization and Data Exploration Platform

A JS library for predictable global state management

Declarative routing for React

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

The repository for high quality TypeScript type definitions.

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

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

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

Collection of TypeScript type challenges with online judge

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

React Hooks — 👍

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

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 products with speed ⚡️

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

⏳ Modern JavaScript date utility library ⌛️

Make any web page a desktop application