gnome-exe-thumbnailer : Windows executable thumbnailer for Gnome ( https://launchpad.net/ubuntu/+source/gnome-exe-thumbnailer )
gnome-power-manager : Gnome Power Manager ( http://www.gnome.org/projects/gnome-power-manager/ )
gnome-screensaver : Replaces xscreensaver, integrating with the desktop. ( http://live.gnome.org/GnomeScreensaver )
indicator-application : Application Indicators ( http://launchpad.net/indicator-application )
indicator-me : indicator showing user information and status ( http://launchpad.net/indicator-me )
indicator-session : An indicator showing session management, status and user switching. ( http://launchpad.net/indicator-session )
indicator-sound : A system sound indicator. ( http://launchpad.net/indicator-sound )
nautilus-share : Nautilus extension to share folder using Samba ( http://gentoo.ovibes.net/nautilus-share )
polkit-gnome : PolicyKit policies and configurations for the GNOME desktop ( http://hal.freedesktop.org/docs/PolicyKit )
sensors-applet : GNOME panel applet to display readings from hardware sensors ( http://sensors-applet.sourceforge.net/ )
ubuntuone-client : Ubuntu One helps you store, sync and share stuff. ( https://launchpad.net/ubuntuone-client )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ubuntu
For Paludis use this rsync : rsync://gentoo.zugaina.org/ubuntu-portage
If you have a problem : ycarus(-at-)zugaina.org