cdnjs is a free distributed JS library delivery service.
Joomla is a free and open-source content management system for publishing web content.
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.
OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.
UIKit is the framework used for developing iOS applications.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.