Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Craft CMS is a content management system for building bespoke websites.
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.
Sprig is a free plugin for Craft CMS that allows you to create reactive components from Twig templates or PHP classes.
UIKit is the framework used for developing iOS applications.