Apache is a free and open-source cross-platform web server software.
Font Awesome is a font and icon toolkit based on CSS and Less.
OpenLayers is an open-source JavaScript library for displaying map data in web browser.
PHP is a general-purpose scripting language used for web development.
Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
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.