Apache is a free and open-source cross-platform web server software.
Ko-fi is an online platform that helps content creators get the financial support.
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.
UIKit is the framework used for developing iOS applications.
Unix is a family of multitasking, multiuser computer operating systems.