greetd : ipc based login daemon ( https://git.sr.ht/~kennylevinsen/greetd/ )
wlroots : Pluggable, composable, unopinionated modules for building a Wayland compositor ( https://gitlab.freedesktop.org/wlroots/wlroots )
xdg-desktop-portal-wlr : xdg-desktop-portal backend for wlroots ( https://github.com/emersion/xdg-desktop-portal-wlr )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ambasta
For Paludis use this rsync : rsync://gentoo.zugaina.org/ambasta-portage
If you have a problem : ycarus(-at-)zugaina.org