MarsSeed [1] filed a deletion request for citadel [2]: Dead server application package from 2016. Also upstream has switched to a quickly rolling development/release cycle, and recommends the use of Docker containers as the primary mode of installation. Or otherwise a Git VCS package would be the second best thing. Votes: 11 Popularity: 0.000000 First Submitted: 2012-02-24 Last Updated: 2016-08-08 Flagged out-of-date: 2021-09-28 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/citadel/