AAFID (Autonomous Agents for Intrusion Detection) is a distributed monitoring architecture with an orientation towards Intrusion Detection developed at the CERIAS at Purdue University. AAFID2 is a prototype implementation of the architecture that includes several ready-to-work agents, plus development facilities for writing your own.
Mailer is a program for managing email aliases in Unix. It allows users and administrators to easily create and manage email aliases. Mailer relieves administrators of the task from having to manually create aliases, and provides users with a powerful mechanism for setting up simple email lists and for redirecting their email without the use of .forward files.