Alexander Brevig : The //* /*/ //*/ comment toggle trick
jQuery - YUI 3 Rosetta Stone
Very useful when scripting for Squarespace
PhoneGap | Cross platform mobile framework
PhoneGap is an open source development tool for building fast, easy mobile apps with JavaScript.
Converts javascript command into no alnum version
node.js
Node's goal is to provide an easy way to build scalable network programs
Closure Tools - Google Code
Open source JavaScript compiler, debugger, library, and templating system from Google
Proudly Announcing: Modernizr | FarukAt.eş
Modernizr is a small JavaScript toolkit that uses feature detection techniques to determine whether or not the current browser is capable of any of the following features from CSS3 and HTML5.