jQuery Steps
A powerful jQuery wizard plugin that supports accessibility and HTML5.
jQuery Smart Auto Complete
AutoComplete plugin with smart defaults and flexibility to customize
Angular Datepicker
calendar and datepicker directives for angular
jQuery Pjax
pushState + ajax = pjax
Normalize.css
A modern, HTML5-ready alternative to CSS resets (as used by Twitter Bootstrap, HTML5 Boilerplate, TweetDeck, Soundcloud, and many others).
Isomer
Simple isometric graphics library for HTML5 canvas
G2 Plot
:dango: An interactive and responsive charting library
Fine Uploader
Multiple file upload plugin with progress-bar, drag-and-drop.
Dropzone
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
RequireJS
A file and module loader for JavaScript
Dc.js
Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js
Sweetalert
A beautiful replacement for JavaScript's "alert"
Rickshaw
JavaScript toolkit for creating interactive real-time graphs
React Widgets
set of stateless ui widgets for React
Mobiscroll
The customizable HTML5 spinner/scroller control for touch devices like smartphones and tablets
Matter JS
a 2D rigid body physics engine for the web
Local Forage
Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.