AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Aruba.it is an Italian company mainly active in the web hosting and domain registration businesses.
Contao is an open source CMS that allows you to create websites and scalable web applications.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
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.
PHP is a general-purpose scripting language used for web development.