Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Etracker is a web optimisation solution.
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.