slackbuilds_ponce/system/alien
..
alien.info
alien.SlackBuild
doinst.sh
README
slack-desc

Alien is a program that converts between the rpm, dpkg, stampede slp, 
and slackware tgz file formats. If you want to use a package from 
another distribution than the one you have installed on your system, 
you can use alien to convert it to your preferred package format and 
install it.