asmutils : A set of miscellaneous utilities written in assembly language, targeted on embedded systems and small distributions ( http://asm.sourceforge.net/asmutils.html )
shadow : Utilities to deal with user accounts ( http://shadow.pld.org.pl/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a dberkholz
For Paludis use this rsync : rsync://gentoo.zugaina.org/dberkholz-portage
If you have a problem : ycarus(-at-)zugaina.org