Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
Framer is primarily a design and prototyping tool. It allows you to design interactive prototypes of websites and applications using production components and real data.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.