libguestfs : Tools for accessing, inspect and modifying virtual machine (VM) disk images ( http://libguestfs.org/ )
opennebula : OpenNebula Virtual Infrastructure Engine ( http://www.opennebula.org/ )
ovirt-node : oVirt Engine ( http://www.ovirt.org )
supermin : Tool for creating supermin appliances ( http://libguestfs.org )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ssnb
For Paludis use this rsync : rsync://gentoo.zugaina.org/ssnb-portage
If you have a problem : ycarus(-at-)zugaina.org