The package itself can be found at ftp.ncsa.uiuc.edu in
/Web/ncsa_httpd/cgi/archie.tar.Z, and a demonstration of its function can be
found at http://hoohoo.ncsa.uiuc.edu/archie.html. It's a must see.
The package only requires the Bourne shell, awk, and the archie client.
--Rob