AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
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.
Wix provides cloud-based web development services, allowing users to create HTML5 websites and mobile sites.