Particles.js
A lightweight JavaScript library for creating particles
Math Jax
Beautiful math in all browsers
Bxslider 4
Responsive jQuery content slider
X Sound
XSound gives Web Developers Powerful Audio Features Easily !
Screenlog.js
Bring console.log on the screen
Jsmediatags
Media Tags Reader (ID3, MP4, FLAC)
Refraction
A guard that represents a central point of control in your application
Sound JS
A Javascript library for working with Audio. Features a simple interface as the front end to multiple audio APIs via a plugin model. Currently supports HTML5 Audio & Flash.
Rimg
A responsive image solution for browsers that support mediaqueries. Pure javascript and no server-side code.
Datamaps
Maps for interactive data visualizations in Javascript
D3 Cloud
Create word clouds in JavaScript.
jQuery.panzoom
A jQuery plugin for panning and zooming elements using CSS3.
Stampit
Create objects from reusable, composable behaviors.
Sortable
Sortable — is a minimalist JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery. Supports Meteor, AngularJS, React and any CSS library, e.g. Bootstrap.
React Native Activity Feed
Stream React Native Activity Feed Components
Panda.js
Panda.js HTML5 game engine
Joosy
Joosy is a browser applications framework. That is based on Rails, CoffeeScript and love.