qemu-arm-wrappers : A collection of wrapper scripts to select the CPU type when using qemu-arm ( http://www.mad-hacking.net/documentation/linux/deployment/buildserver/installation-build-qemu.xml )
rocker : Rocker breaks the limits of Dockerfile by adding some crucial features ( https://github.com/grammarly/rocker )
xen-vif-hacking : Additional vif scripts for Xen ( http://www.mad-hacking.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a hacking-gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/hacking-gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org