AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Modernizr is a JavaScript library that detects the features available in a user's browser.
Zurb Foundation is used to prototype in the browser. Allows rapid creation of websites or applications while leveraging mobile and responsive technology. The front end framework is the collection of HTML, CSS, and Javascript containing design patterns.