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

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

Since 1983 developing the free Unix style operating system GNU so that computer users can have the freedom to share and improve the software they use