Bonzo
library agnostic, extensible DOM utility
jQuery.mb.yt Player
use a custom youtube player for a video as background on jQuery framework
jQuery Autocomplete
Ajax Autocomplete for jQuery allows you to easily create autocomplete/autosuggest boxes for text input fields.
Velocity
Accelerated JavaScript animation.
Validate.js
Lightweight JavaScript form validation library inspired by CodeIgniter.
Sails
Realtime MVC Framework for Node.js
Machina.js
js ex machina - finite state machines in JavaScript
Loopback
LoopBack makes it easy to build modern applications that require complex integrations.
Jasmine
DOM-less simple JavaScript testing framework
Autosize
jQuery plugin for dynamic textarea sizing
Svg.js
A lightweight library for manipulating and animating SVG
Slate
A completely customizable framework for building rich text editors.
Platform.js
A platform detection library that works on nearly all JavaScript platforms.
Moment
Parse, validate, manipulate, and display dates in javascript.
Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping
Highlight.js
Javascript syntax highlighter
Baraja
Baraja is a jQuery plugin that allows to move elements in a card-like fashion and spread them like one would spread a deck of cards on a table.