Canvas Xpress
JavaScript VisualizationTools
Sproutcore
JavaScript Application Framework - JS library only
Device.js
Device.js makes it easy to write conditional CSS and/or JavaScript based on device operating system (iOS, Android, Blackberry, Windows, Firefox OS), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile).
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.
Zoom.js
zoom in on any element in the DOM
Sea.js
A Module Loader for the Web
P2.js
JavaScript 2D physics library
Orb
Pivot table javascript library
Nod
jQuery plugin that gives you frontend validation for forms.
Glslify
A node.js-style module system for GLSL!
Fine Uploader
Multiple file upload plugin with progress-bar, drag-and-drop.
Docx
Easily generate .docx files with JS/TS with a solid API. Works for Node and on the Browser.
Bootstrap Ajax
A library for adding declarative ajax functionality to your website
Backbone Deep Model
Improved support for models with nested attributes.
Radio
Dependency-free Chainable Publish/Subscribe Library for Javascript
Onionskin
A client- and server-side multi-layer cache manager library