AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
cdnjs is a free distributed JS library delivery service.
JivoChat is a live chat solution for websites offering customizable web and mobile chat widgets.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.