Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
Modernizr is a JavaScript library that detects the features available in a user's browser.
ProcessWire is an open source content management system (CMS) and framework (CMF).
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.