Drupal is a free and open-source web content management framework.
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.
OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.
Reveal CSS animation as you scroll down a page.