SPF : A lightweight JS framework for fast navigation and page updates from YouTube
Sammy.js : Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
InstantClick : InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.
HTML5Forms.js : HTML5Forms.js is a JavaScript polyfill that implements a subset of the HTML5
Forms module in all browsers. The script will only add support for the
d...
SoundManager 2 : Using HTML5 and Flash, SoundManager 2 provides reliable cross-platform audio under a single JavaScript API.
Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.