anything-sync-daemon : Symlinks and syncs user specified dirs to RAM thus reducing HDD/SDD calls and speeding-up the system ( https://wiki.archlinux.org/index.php/Anything-sync-daemon )
portage : Portage is the package management and distribution system for Gentoo ( http://www.gentoo.org/proj/en/portage/index.xml )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a lif
For Paludis use this rsync : rsync://gentoo.zugaina.org/lif-portage
If you have a problem : ycarus(-at-)zugaina.org