Comment # 18 on bug 1176195 from Denis Kondratenko

(In reply to Maximilian Trummer from comment #16)
> I agree, installing a desktop should make it appear as a new option in
> whatever login manager a user is currently using, and not interfere with
> other already installed desktops.

that is patterns-sway-sway, it does so :) and it is up to user to tune it
further according to documentation.

openSUSEway would be something that would install from scratch (like Gnome) and
would have everything integrated, login manager and etc.