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.
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.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.