Apache is a free and open-source cross-platform web server software.
ExpressionEngine is a free and open-source CMS.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
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.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.