Big.js
A small, fast JavaScript library for arbitrary-precision decimal arithmetic.
Refluxjs
A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux
Recline
A simple but powerful library for building data applications in pure Javascript and HTML.
Sound Manager 2
A JavaScript Sound API supporting MP3, MPEG4 and HTML5 audio + (experimental) RTMP, providing reliable cross-browser/platform audio control in as little as 10 KB. BSD licensed.
Canvg
Javascript SVG parser and renderer on Canvas
Croppie
A Javascript Image Cropper
Winjs
WinJS project by Microsoft Open Technologies
Autosize
jQuery plugin for dynamic textarea sizing
Color
JavaScript color conversion and manipulation library
Notie.js
A clean and simple notification plugin (alert/growl style) for javascript, with no dependencies.
Egret Core
Egret is a brand new open mobile game and application engine which allows you to quickly build mobile games and apps on Android,iOS and Windows.
Tiny Color
Fast, small color manipulation and conversion for JavaScript
jQuery Lazyload
jQuery plugin for lazy loading images
Benchmark.js
A benchmarking library that works on nearly all JavaScript platforms, supports high-resolution timers, and returns statistically significant results. As used on jsPerf.com.
jQuery.terminal
jQuery Terminal Emulator - JavaScript library for creating web-based terminals with custom commands
Liquidfun
2D physics engine for games
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.