The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Node.js JavaScript runtime ✨🐢🚀✨

JavaScript 3D Library.

Simple HTML5 Charts using the <canvas> tag

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

jQuery JavaScript Library

uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦

🖤 Create and share beautiful images of your source code

⚡️ Streaming torrent client for the web

500 Lines or Less

A window.fetch JavaScript polyfill.

Standard Library

In-browser Markdown editor

An HTML5 saveAs() FileSaver implementation

x86 PC emulator and x86-to-wasm JIT, running in the browser

Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood

Fast math typesetting for the web.

Markdown for the component era

Open-source JavaScript charting library behind Plotly and Dash

An API documentation generator for JavaScript.

A web-based collaborative LaTeX editor

The open source embeddable online markdown editor (component).

JavaScript parser / mangler / compressor / beautifier toolkit

A javascript library to run SQLite on the web.

Lime: Explaining the predictions of any machine learning classifier

The easiest way to use git. On any platform. Anywhere.

RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions.

An absurdly small jQuery alternative for modern browsers.