The library for web and native user interfaces.

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

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

A simple HTML5, YouTube and Vimeo player

🏊🏾 Simplified HTTP request client.

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

A draggable and resizable grid layout with responsive breakpoints, for React.

1kB-ish JavaScript framework for building hypertext applications

pushState + ajax = pjax

A javascript library to run SQLite on the web.

Lightweight, robust, elegant syntax highlighting.

Node canvas is a Cairo backed Canvas implementation for NodeJS.

CodiMD - Realtime collaborative markdown notes on all platforms.

Import and export tools for elasticsearch & opensearch

A draggable and resizable grid layout, for Vue.js.

A modern lazy loading library for images.

A decentralization of GitHub using BitTorrent and Bitcoin

jPlayer : HTML5 Audio & Video for jQuery

Node.js Foreign Function Interface

Rhino is an open-source implementation of JavaScript written entirely in Java

Fast and efficient CSS optimizer for node.js and the Web

🎹 Making life easy to create a MIDI-app on the web. Includes a library to program synesthesia into your app for memory recognition or for creating trippy effects. Convert soundfonts for Guitar, Bas…

Optimize a JS file for faster parsing (UNMAINTAINED)

Web component extensions to the standard <time> element.

A command line tool to help build, run, and test web extensions

🍦 Vue.js 2 library for showing notifications

vue.js pdf viewer

🎬 a dev server for rapid prototyping

🎬 Colorful animations in terminal output

sprintf.js is a complete open source JavaScript sprintf implementation