7-zip : File archiver with a high compression ratio ( https://7-zip.org/ )
precomp-cpp : Precomp, C++ version - further compress already compressed files ( https://github.com/schnaader/precomp-cpp )
unar : Unpacker for various archiving formats, e.g. rar v3 ( https://unarchiver.c3.cx/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a alxu
For Paludis use this rsync : rsync://gentoo.zugaina.org/alxu-portage
If you have a problem : ycarus(-at-)zugaina.org