The library for web and native user interfaces.

JavaScript Style Guide

The React Framework

Node.js JavaScript runtime ✨🐢🚀✨

JavaScript 3D Library.

Promise based HTTP client for the browser and node.js

Set up a modern web app by running one command.

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

web development for the rest of us

The HTML Presentation Framework

Fast, unopinionated, minimalist web framework for node.

Simple HTML5 Charts using the <canvas> tag

JavaScript animation engine

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs,…

A modern JavaScript utility library delivering modularity, performance, & extras.

Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending.

jQuery JavaScript Library

The best React-based framework with performance, scalability and security built in.

Prettier is an opinionated code formatter.

Semantic is a UI component framework based around useful principles from natural language.

Parse, validate, manipulate, and display dates in javascript.

A browser based code editor

A tool for writing better scripts

Complete Claude Code configuration collection - agents, skills, hooks, commands, rules, MCPs. Battle-tested configs from an Anthropic hackathon winner.

Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

Video.js - open source HTML5 video player

Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

🤪 A list of funny and tricky JavaScript examples