This directory contains all the releases for both SIMP and PBPP.
The most recent release is most likely the one you want.  The
current release of ANTP and DUTMV is also available here.

SIMP is an implementation of the Simple Instant Messaging and 
Presence protocol.

PBPP is a properties-based preprocessor for Java source files.

ANTP (Asynchronous Notification Transport Protocol) is an 
asynchronous framing protocol that can be used for notifications.
A decendent of it is used by SIMP.

DUTMV contains a Swing implementation of Tree-Map visualization, 
and demonstrates its use with a disk usage viewer.  This sofware
was used to prototype Swing ideas used in SIMP.