Apache is a free and open-source cross-platform web server software.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Matomo Analytics is a free and open-source web analytics application, that runs on a PHP/MySQL web-server.
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.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.