Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Flickity is a JavaScript slider library, built by David DeSandro of Metafizzy fame.
jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.
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.
Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.
PHP is a general-purpose scripting language used for web development.
Unix is a family of multitasking, multiuser computer operating systems.
Unpkg is a content delivery network for everything on npm.