Adock is a Dockerized version of Asciidoctor that lets you compile and preview Asciidoctor documents without installing anything but Docker.
The project is available on GitHub or GitLab.
Qref is a JavaScript addon that adds selection permalinking to an HTML page.
The project is available on GitHub, GitLab, or npm.
Quinn's Manuals Archive is a static website that provides version-pinned user manuals for long-term reference purposes.