Dojo
Dojo saves you time and scales with your development process, using web standards as its platform. It’s the toolkit experienced developers turn to for building high quality desktop and mobile web applications.
Cerebral
A state controller with its own debugger
Egjs
Set of UI interactions, effects and utilities components library using jQuery.
Simplecart
A simple javascript shopping cart that easily integrates with your current website.
Hinclude
declarative client-side inclusion for the Web
Curl
A small, fast module and resource loader with dependency management. (AMD, CommonJS Modules/1.1, CSS, HTML, etc.)
Pixel Craft
A Pixel Art Editor
Riotjs
The 1kb client side MV* library
Across Tabs
Easy communication between cross-origin browser tabs
Dust
Asynchronous templates for the browser and node.js
Stapes
a (really) tiny Javascript MVC microframework
JavascriptMVC
Develop with direction! With CanJS, jQuery++, FuncUnit, Steal, DocumentJS.
Bem Core
BEM Core Library
Backbone Deep Model
Improved support for models with nested attributes.
Tempo
Tempo is an easy, intuitive JavaScript rendering engine that enables you to craft data templates in pure HTML.
Machina.js
js ex machina - finite state machines in JavaScript
Fast Memoize.js
:rabbit: Fastest possible memoization library