Teddy
An easy-to-read, HTML-based, mostly logic-less DOM templating engine with support for both server-side and client-side templating.
Oc Lazy Load
Load modules on demand (lazy load) in AngularJS
Jwerty
Awesome handling of keyboard events
Imagesloaded
JavaScript is all like "You images done yet or what?"
UI Router
The de-facto solution to flexible routing with nested views
Conditioner
Frizz Free, Environment-aware, JavaScript Modules
Knockout Projections
Knockout.js observable arrays get smarter
Riotjs
The 1kb client side MV* library
Winjs
WinJS project by Microsoft Open Technologies
Blazy
bLazy is a lightweight lazy loading and multi-serving image script. It's written in JavaScript why it doesn't have any dependencies for 3rd party libraries like jQuery. bLazy is working in all modern browser including IE7+.
Ect
Fastest JavaScript template engine with embedded CoffeeScript syntax
Famous
Famo.us is a powerful JavaScript framework designed to build rich, interactive web applications. It is the only framework that provides an open source 3D layout engine fully integrated with a 3D physics-based animation engine that can render to DOM, Canvas, or WebGL. Famo.us is currently in public beta.
Routie
a tiny javascript hash router
Pagerjs
The Single Page Application Framework for KnockoutJS
Almond
A minimal AMD API implementation for use after optimized builds
Mithril.js
A Javascript Framework for Building Brilliant Applications
Stately.js
Stately.js is a JavaScript based finite-state machine (FSM) engine for Node.js and the browser.