AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
LiteSpeed is a high-scalability web server.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.