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

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

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

A terminal built on web technologies

⏳ Modern JavaScript date utility library ⌛️

A markdown parser and compiler. Built for speed.

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

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

🌈 React for interactive command-line apps

A modern animation library for React and JavaScript

Redefined chart library built with React and D3

The web's most popular Jamstack front-end template (boilerplate) for building web applications with React

Bootstrap components built with React

A terminal emulator for the 21st century.

Full-sized drag & drop event calendar in JavaScript

A terminal for the web

🍞📅A JavaScript calendar that has everything you need.

A React-based library for creating sleek presentations using JSX syntax that gives you the ability to live demo your code.

WebGL-accelerated ML // linear algebra // automatic differentiation for JavaScript.

The Redux Framework

React friendly API wrapper around MapboxGL JS

A library optimized for concise and principled data graphics and layouts.

🚧 Regular Expression Excited!

🌋 React-first components GUI

React Context + State

A simple and fast API to monitor elements as you scroll

BrowserFS is an in-browser filesystem that emulates the Node JS filesystem API and supports storing and retrieving files from various backends.

🐕 Simulate user events

React Hook for managing state in URL query parameters with easy serialization.

🐆 An immutable list with unmatched performance and a comprehensive functional API.