Hello.js
A Javascript RESTFUL API library for connecting with OAuth2 services, such as Google+ API, Facebook Graph and Windows Live Connect
Easel JS
The Easel Javascript library provides a full, hierarchical display list, a core interaction model, and helper classes to make working with the HTML5 Canvas element much easier.
Bootstrap Calendar
Full view calendar with year, month, week and day views based on templates with Twitter Bootstrap.
Tabulous.js
A jQuery tabs module for todays web!
Nivo Slider
The Most Awesome jQuery Image Slider
Flowtime.js
Flowtime.js HTML5/CSS3/JS Presentation Framework
Img to Ascii
A JavaScript implementation of a image to Ascii code
Angular History
A history service for AngularJS. Undo/redo, that sort of thing. Has nothing to do with the "back" button, unless you want it to.
Vue Js Modal
:pizza: Simple to use, highly customizable, mobile friendly Vue.js 2.0+ modal.
Tilt.js
A tiny 60+fps parallax tilt hover effect for jQuery.
Swig
Take a swig of the best template engine for JavaScript.
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.
Slick Grid
A lightning fast JavaScript grid/spreadsheet
Signal R
Incredibly simple real-time web for .NET
Rusha
High-performance pure-javascript SHA1 implementation suitable for large binary data, reaching up to half the native speed.
PreloadJS
PreloadJS makes preloading assets & getting aggregate progress events easier in JavaScript. It uses XHR2 when available, and falls back to tag-based loading when not.
Pizzicato
Library to simplify the way you create and manipulate sounds with the Web Audio API.