Adobe Flash is a multimedia software platform used for production of animations, rich web applications and embedded web browser video players.
Apache is a free and open-source cross-platform web server software.
PHP is a general-purpose scripting language used for web development.
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.