Apache is a free and open-source cross-platform web server software.
A simple jQuery plugin that allows you to add a dynamically-resized, slideshow-capable background image to any page or element.
cdnjs is a free distributed JS library delivery service.
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.
Unix is a family of multitasking, multiuser computer operating systems.