Lodash
An alternative to Underscore.js, delivering consistency, customization, performance, and extra features.
Humane.js
A simple, modern, browser notification system
Boiler
Boiler is a utility library that makes every day tasks in JavaScript easier by providing over 115 methods that work on arrays, collections, functions, numbers, objects, and strings.
Eve.js
A <3kb JavaScript file providing three simple methods to organize code into CSS namespaces which magically restrict code to the current context, allowing for dramatic reductions to code size and development time.
Hermes.js
Message and Error logger implementation
Path.js
Simple, lightweight routing for web browsers
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Scale App
scaleApp is a JavaScript framework for scalable One-Page-Applications
Wee
Blueprint for modern web development
Refraction
A guard that represents a central point of control in your application
Jsface
Small, fast, elegant, powerful, and cross platform JavaScript OOP library. Support main(), singleton, super call, private, mixins, plugins, AOP and more.
JavascriptMVC
Develop with direction! With CanJS, jQuery++, FuncUnit, Steal, DocumentJS.
Aload
Loads images, scripts, styles, iframes, videos and audio asynchronously.
Straw
Realtime processing framework for Node.js
Meld
AOP for JS with before, around, on, afterReturning, afterThrowing, after advice, and pointcuts
Handlebars Helpers
A small collection of useful helpers for Handlebars.js
Curl
A small, fast module and resource loader with dependency management. (AMD, CommonJS Modules/1.1, CSS, HTML, etc.)