JavaScript libraries
jQuery The Write Less Do More JavaScript Library

Analytics
Google Analytics gives you the tools you need to better understand your customers You can then use those business insights to take action such as improving your website creating tailored audience lists and more

Widgets
AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget

Domain parking
Home page of The Apache Software Foundation

JavaScript libraries
A sizzlin hot selector engine Contribute to jquery sizzle development by creating an account on GitHub