Apache is a free and open-source cross-platform web server software.
Craft CMS is a content management system for building bespoke websites.
Fathom is easy-yet-powerful website analytics that protects digital privacy.
Imgix is a visual media platform for managing, processing, rendering, optimising and delivering your existing images.
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.
SEOmatic facilitates modern SEO best practices & implementation for Craft CMS 3.
A modest JavaScript framework for the HTML you already have.
Typekit is an online service which offers a subscription library of fonts.