gconf : GNOME configuration system and daemon patched for the Unity desktop ( http://projects.gnome.org/gconf/ )
gnome : Meta package for GNOME 3, merge this package to install ( https://www.gnome.org/ )
gnome-control-center : GNOME's main interface to configure various aspects of the desktop ( https://gitlab.gnome.org/GNOME/gnome-control-center )
gnome-core-apps : Sub-meta package for the core applications integrated with GNOME 3 ( https://www.gnome.org/ )
gnome-core-libs : Sub-meta package for the core libraries of GNOME ( https://www.gnome.org/ )
gnome-menus : The GNOME menu system, implementing the F.D.O cross-desktop spec, patched for the Unity desktop ( http://www.gnome.org )
gnome-panel : The GNOME panel patched for the Unity desktop ( http://www.gnome.org/ )
gnome-session : Gnome session manager patched for the Unity desktop ( https://git.gnome.org/browse/gnome-session )
gnome-settings-daemon : Gnome Settings Daemon patched for the Unity desktop ( https://git.gnome.org/browse/gnome-settings-daemon )
gsettings-desktop-schemas : Collection of GSettings schemas for GNOME desktop ( http://www.gnome.org/ )
nautilus : Default file manager for the GNOME desktop patched for the Unity desktop ( https://wiki.gnome.org/Apps/Nautilus )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a unity-gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/unity-gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org