1)   Wireless IM Snif 3.0.39
IRC, EMail, AIM, SMB, MSN, ICQ sniffer. It intercepts messages and user details, including passwords, across the whole LAN in real time. Supports monitor mode in Wireless networks. Includes ARP-spoofer, allowing to capture behind switch-hubs

 2)   ShadowIMSniffer 4.01
ICQ/MSN Monitor-Sniffer is a handy network utility to capture and log/monitor ICQ/MSN Instant Messages from computers within the same LAN. ICQ/MSN Monitor Sniffer supports messaging through ICQ/MSN server with formats of plain text,RTF or HTML.