Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Docusaurus is a tool for teams to publish documentation websites.
Open Graph is a protocol that is used to integrate any web page into the social graph.
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.