Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
Font Awesome is a font and icon toolkit based on CSS and Less.
GoatCounter is an open source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims to offer easy to use and meaningful privacy-friendly web analytics as an alternative to Google Analytics or Matomo.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.