MSN Protocol Analyzer
MSNProtocol Analyzer(MSNPAnalyzer) is a network utility that can monitor (or capture, monitor) the sessions of MSN Protocol. If you use this program in conbination with SwitchSniffer program, you can capture and see all the MSNP sessions including conversations and MSN commands. ... Want to know what their children are most concerned? ... [Parents] ? ... want to see the MSN protocol including MSN commands to develope the products related to MSN. ... [Developers] ? ... [Company Managers] ? ... Supervise your employees' chating at work, and conversation for reference later.
http://nextsecurity.softahead.com/downloads/msnpanal/MSNPAnalyzer.zip - 1Mb - Download - Screenshot

SwitchSniffer
1. Overview SwitchSniffer is a program that can scan your switched LAN for up hosts and can reroute and collect all packets without the target users' recognition. It can also detect the ? arpspoofer? program running on the network and block user definable sessions like firewall. ... It can cure arp-cache poisoning. ... 2 Benefits: -. ... It has a feature which filters or blocks sessions, local hosts and remote hosts. ... It can scan all hosts automatically on the network. ... It can get traffic information about the amount of data transferred to and from the internet including I session...
http://www.nextsecurity.net/downloads/switchsniffer/SwitchSniffer.zip - 3Mb - Download - Screenshot