Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
CreateJS is a suite of modular libraries and tools which work together or independently to enable interactive content on open web technologies via HTML5.
Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
GSAP is an animation library that allows you to create animations with JavaScript.
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.
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.
Reveal elements as they enter the viewport.