MSN Messenger Monitor Sniffer 3.0 (by IM Monitor Software)
Monitor and Sniff MSN Messenge chat conversations on all computers in network

Yahoo Messenger Monitor Sniffer 3.0 (by IM Monitor Software)
Monitor and Sniff Yahoo Messenge chat conversations on all computers in network

IMMonitor MSN Spy 2.0 (by IM Monitor Software)
Capture and Sniff MSN Messenge chat conversations on all computers in network

IMMonitor Yahoo Messenger Spy 2.0 (by IM Monitor Software)
Capture and Sniff Yahoo Messenge chat conversations on all computers in network

IMMonitor ICQ Spy 2.0 (by IM Monitor Software)
Capture and Sniff ICQ chat conversations on all computers in network

ICQ Monitor Sniffer 3.0 (by IM Monitor Software)
Monitor and Sniff ICQ chat conversations on all computers in network

AIM Monitor Sniffer 3.0 (by IM Monitor Software)
Monitor and Sniff AIM chat conversations on all computers in network

MSN Messenger Monitor Sniffer 3.0 (by IM Monitor Software)
Monitor and Sniff MSN Messenge chat conversations on all computers in network

Yahoo Messenger Monitor Sniffer 3.0 (by IM Monitor Software)
Monitor and Sniff Yahoo Messenge chat conversations on all computers in network

Ultra MSN Spy Monitor 3.1.1 (by Inforazor.com)
is a handy network-monitor utility for capturing MSN chat conversations.

Ultra ICQ Spy Monitor 3.1.1 (by Inforazor.com)
is a handy network-monitor utility for capturing ICQ chat conversations.

MSN Chat Monitor 1.4.3.1451 (by EffeTech)
MSN sniffer monitors MSN chat conversations on network without being detected.

MSN Sniffer 1.2 (by EffeTech Sniffer)
MSN sniffer monitors MSN chat conversations on network without being detected.

Chat Surveyor 3.1.1 (by Inforazor.com)
Chat Surveyor is network utility for sinffer chat conversations(msn, icq, yahoo)

Ultra YahooMessenger Spy Monitor 3.1.1 (by Inforazor.com)
is a handy network-monitor utility for capturing Yahoo Messenger chat conversati

Netoscope 1.6 (by Basta Computing, Inc.)
Netoscope: Internet server monitor.

The Dude 1.1 (by MikroTik)
The Dude will layout your network on a map and will monitor services of devices

Sniff-em Packet sniffer 1.12 (by YASC LTD)
Sniff'em 1.12 is a Windows based allround Packet sniffer and Network analyzer.

SNMPTest 1.03 (by Noel Danjou)
Query and monitor any SNMP-compatible device

MailMonitor 1.6.3 (by DigiArch.org)
If you have mail problems, MailMonitor shows you what's going on at port level.