Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.
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.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Page Builder by SiteOrigin makes it easy to build responsive grid-based page content that adapts to mobile devices with pixel perfect accuracy.
SiteOrigin Widgets Bundle is a WordPress plugin that gives you all the elements you need to build modern, responsive, and engaging website pages.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.