Erus_Iluvatar [1] filed a deletion request for rambox [2]: Upstream no longer provides the source code for recent version, only binaries, and https://github.com/ramboxapp/community-edition has been archived.
[1] https://aur.archlinux.org/account/Erus_Iluvatar/ [2] https://aur.archlinux.org/pkgbase/rambox/
