Filtrr2 : Filtrr2 is a JavaScript image manipulation library. Think of it as Instagram filters on the browser. It uses the element to paint filtered pictures i...
Leaflet : A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps
SoundManager 2 : Using HTML5 and Flash, SoundManager 2 provides reliable cross-platform audio under a single JavaScript API.
swfobject : SWFObject 2 offers two optimized Flash Player embed methods; a markup based approach and a method that relies on JavaScript & offers a JavaScript API ...
Mousetrap : A simple library for handling keyboard shortcuts in Javascript.
Namespace.js is a small javascript script which provide namespacing utilities. It is framework independent. It also allows you to remotely include files.