Javascript Library

AngularJS
HTML enhanced for web apps!
Backbone.js
Backbone.js gives structure to web applications by providing models with key-value binding and custom events, ...
D3.js
D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS.
Ember.js
Ember.js - A framework for creating ambitious web applications.
React
A JavaScript library for building user interfaces.
jQuery
jQuery is a fast, small, and feature-rich JavaScript library.
Knockout
Simplify dynamic JavaScript UIs with the Model-View-View Model (MVVM) pattern.
node.js
Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications.
Socket.IO
SOCKET.IO 1.0 Is Here Featuring The Fastest and Most Reliable Real-Time Engine.
Underscore.js
jQuery plugin for 'responsive cropping'. Dynamically crop images to fill available space without cutting out the image's subject.