Buster
A powerful suite of automated test tools for JavaScript.
Weld
Template antimatter for Node.js (Browsers too!)
Simplate
A simple, but powerful, templating engine for JavaScript.
Scale App
scaleApp is a JavaScript framework for scalable One-Page-Applications
Maria
The MVC framework for JavaScript applications. The real MVC. The Smalltalk MVC. The Gang of Four MVC.
Loglevel
Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Highway
A fast, lightweight and simple Javascript routing library with no dependencies.
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
jStorage
jStorage is a simple key/value database to store data on browser side. As a bonus it is also a local pubsub platform to sync data between tabs/windows
Prime
an OOP javascript library for node.js and the browsers
Js Cache
jsCache is a javascript library that enables caching of javascripts, css-stylesheets and images using my localStorage polyfill. This is especially useful when serving your website for mobile phones, which have limited HTTP caching available, but also speeds up your site in an ordinary web browser as it saves HTTP requests and loads all files asynchronously.
Kefir
A Reactive Programming library for JavaScript
ifvisible.js
Checks if the current page is visible or not
Theory
Abstraction layer for cross platform JavaScript.
Straw
Realtime processing framework for Node.js
Lazy Load Xt
Lazy load XT is a jQuery plugin for images, videos and other media
Wee
Blueprint for modern web development