Apache is a free and open-source cross-platform web server software.
Glyphicons are icon fonts which you can use in your web projects.
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.
Yii is an open-source, object-oriented, component-based MVC PHP web application framework.