deja-dup : Simple backup tool using duplicity back-end ( https://launchpad.net/deja-dup/ )
dvcs-autosync : A personal Dropbox replacement based on Git ( http://www.mayrhofer.eu.org/dvcs-autosync )
time-drive : Linux Backup, Done Right ( https://launchpad.net/time-drive )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a betagarden
For Paludis use this rsync : rsync://gentoo.zugaina.org/betagarden-portage
If you have a problem : ycarus(-at-)zugaina.org