Dsniff
DSniff Control v.0.3.2
dSniff Control is a front end for the open source command line utility suite.
PowerPop v.0.66
PowerPop is a powerful Local Area Network Messenger for Macintosh.
News Snarf v.1.3
The newssnarf software is a sample extension of the popular "dsniff" package in that it will automatically track and log NNTP connections by USENET group and article number.