file-roller : Archive manager for GNOME ( https://wiki.gnome.org/Apps/FileRoller" particular archive format support, see ${HOMEPAGE )
gcab : Library and tool for working with Microsoft Cabinet (CAB) files ( https://wiki.gnome.org/msitools )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a chrisadr
For Paludis use this rsync : rsync://gentoo.zugaina.org/chrisadr-portage
If you have a problem : ycarus(-at-)zugaina.org