Find the current stable version here:
http://www.tcp4me.com/code/argus-3.2.tgz
[14 Apr 2003 - 201K]
Older versions are available here:
http://www.tcp4me.com/code/argus-archive/
The current development code is here:
http://www.tcp4me.com/code/argus-dev-20030622.tgz