These ebuilds come from http://arcong.ath.cx/.
If you have some problems, go to the official site first.
peazip : OS-portable archiver with many formats support ( http://peazip.sourceforge.net/ )
q7z : Q7Z is a P7Zip GUI for Linux, which attempts to simplify data compression and backup. ( http://k7z.sourceforge.net/7Z/Q7Z/ )
tar : Use this to make tarballs :) ( http://www.gnu.org/software/tar/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org