EPM is a free Unix software/file packaging program that generates distribution
archives from a list of files. EPM Can:

 * Generate portable script-based distribution packages complete with
   installation and removal scripts.
 * Generate vendor distributions in AIX, BSD, Compaq Tru64, Debian, HP-UX,
   IRIX, Red Hat, and Solaris formats.
 * Provide a complete, cross-platform software distribution solution for your
   applications.

http://www.easysw.com/epm/