Lychee JS
Environment-Independent JavaScript engine (HTML5 Canvas, V8GL, WebGL, native OpenGL, NodeJS)
Logerr
Playing with console errors, experimental project.
Idealforms
The ultimate framework for building and validating responsive HTML5 forms.
Vex
A modern dialog library which is highly configurable and easy to style. #hubspot-open-source
Text Angular
A radically powerful Text-Editor/Wysiwyg editor for Angular.js! Create multiple editor instances, two-way-bind HTML content, watch editors for changes and more!
Sticky
jQuery Plugin for Sticky Objects
Sproutcore
JavaScript Application Framework - JS library only
Qrcodejs
Cross-browser QRCode generator for javascript
Q
A tool for making and composing asynchronous promises in JavaScript
Outdated Browser
A simple tool to identify and upgrade old browsers.
Holder
Holder renders image placeholders entirely on the client side.
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.
Animsition
A simple and easy jQuery plugin for CSS animated page transitions.
Chai
BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
Inputex
A javascript framework for YUI to build fields and forms.
Swing
A swipeable cards interface. The swipe-left/swipe-right for yes/no input. As seen in apps like Jelly and Tinder.
Progressbar.js
Beautiful and responsive progress bars