Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Mobx
Simple, scalable state management.
Routie
a tiny javascript hash router
Lmd
LMD: Lazy Module Declaration. Be lazy: lazy load @ lazy init
JavascriptMVC
Develop with direction! With CanJS, jQuery++, FuncUnit, Steal, DocumentJS.
Dna.js
An uncomplicated user interface library for semantic templates
Firebase Js Sdk
Firebase Javascript SDK
Fast Memoize.js
:rabbit: Fastest possible memoization library
ifvisible.js
Checks if the current page is visible or not
Lazyload
Tiny, dependency-free async JavaScript and CSS loader.
Weld
Template antimatter for Node.js (Browsers too!)
Prime
an OOP javascript library for node.js and the browsers
Tweet
put twitter on your website with tweet, an unobtrusive javascript plugin for jquery
Sticky Kit
A jQuery plugin for creating smart sticky elements
Enyo
A JavaScript application framework emphasizing modularity and encapsulation
Gas
Google Analytics on Steroids. A Google Analytics implementation with more power features.
Egjs
Set of UI interactions, effects and utilities components library using jQuery.