Apache is a free and open-source cross-platform web server software.
FrontPage is a program for developing and maintaining websites.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
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.
Unix is a family of multitasking, multiuser computer operating systems.