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

JavaScript 3D Library.

The iconic SVG, font, and CSS toolkit

Simple HTML5 Charts using the <canvas> tag

The hackable text editor

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

jQuery JavaScript Library

JavaScript animation engine

Based on a true story

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

The best design tools and plugins for everything 👉

An interactive git visualization and tutorial. Aspiring students of git can use this app to educate and challenge themselves towards mastery of git!

Render After Effects animations natively on Web, Android and iOS, and React Native. http://airbnb.io/lottie/

Simply beautiful open-source icons

🎨 A curated list of delightful VS Code packages and resources.

Javascript audio library for the modern web.

The hacker's browser.

SVG icons for popular brands

Versatile typeface for code, from code.

Console for mobile browsers

Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.

Flat UI Free - Design Framework (html/css3/less/js). Flat UI is based on Bootstrap, a comfortable, responsive, and functional framework that simplifies the development of websites.

The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @lehni & @puckey

A bidirectional Markdown to HTML to Markdown converter written in Javascript

Lightweight, robust, elegant syntax highlighting.

A web-based tool to view, edit, format, and validate JSON

JavaScript Vector Library

jQuery Validation Plugin library sources

A curated list of high quality coding style conventions and standards.

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