The library for web and native user interfaces.

The React Framework

JavaScript 3D Library.

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

Simple HTML5 Charts using the <canvas> tag

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,…

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

A browser based code editor

Node.js Production Process Manager with a built-in Load Balancer.

Materialize, a CSS Framework based on Material Design

A markdown parser and compiler. Built for speed.

🃏 A magical documentation site generator.

Give your JS App some Backbone with Models, Views, Collections, and Events

Ace (Ajax.org Cloud9 Editor)

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.

A set of small, responsive CSS modules that you can use in every web project.

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Proces…

Low-code programming for event-driven applications

An HTML5 saveAs() FileSaver implementation

Fast math typesetting for the web.

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

a 2D rigid body physics engine for the web ▲● ■

Minimal templating with {{mustaches}} in JavaScript

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.

A javascript library to run SQLite on the web.

The lightweight library for manipulating and animating SVG

History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTo…

Beautiful and accessible math in all browsers

Protocol Buffers for JavaScript & TypeScript.

Remove unused CSS. Also works with single-page apps.