Move.js
CSS3 backed JavaScript animation framework
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Hint.css
A tooltip library in CSS for your lovely websites.
Hide Seek
A simple, mobile-friendly, yet customizable quick/live search jQuery plugin.
Flowplayer
The HTML5 video player for the web
Flotr2
Graphs and Charts for Canvas in JavaScript.
Brjs
BladeRunnerJS (BRJS) is an open source development toolkit and framework for modular construction of large single-page HTML5 apps. It consists of a set of conventions, supporting tools and micro-libraries that make it easy to develop, test, deploy and maintain complex JavaScript apps.
Slidebars
Slidebars is a jQuery framework for quickly and easily implementing app style off-canvas space into your website.
Simptip
A simple CSS tooltip made with Sass
Rusha
High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.
Parsley.js
Validate your forms, frontend, without writting a single line of javascript!
Mobiscroll
The customizable HTML5 spinner/scroller control for touch devices like smartphones and tablets
Framer
Modern Prototyping Tool
Dropbox JS
JavaScript client library for the Dropbox API
Web Rx
WebRx is a Javascript MVVM-Framework built on ReactiveX for Javascript (RxJs) that combines functional-reactive programming with Observable-driven declarative Data-Binding, Templating and Client-Side Routing.
Typeit
The most versatile JavaScript typewriter effect library on the planet.
FileSaver.js
An HTML5 saveAs() FileSaver implementation