UltraSniff is a powerful network sniffer, It is designed for capturing and analysis of the packets through the netwok. Also UltraSniff is a sockets sniffer that can show you detailed process-related listing of all IP,TCP,UDP endpoints on your system.
MSN Monitor & Sniffer is a network visibility tool to capture Conversationa of MSN chat on network. Just run the MSN Monitor & Sniffer on any computer on your network, and start to capture. It will record any conversation from any PC on the network.