1)   NGS Sniffer for MSN 1.0
Captures/Blocks MSN conversations on your LAN. Recognises not only plain text messages, but also P2P Via Server messages, such as custom emoticons and display pictures(user tile). Analyzes MSNP Protocol, shows the detail of MSN communications.

 2)   Colasoft MSN Monitor 2.0
Based on packet analysis technology, Colasoft MSN Monitor focuses on MSN applications and instant message management. Besides capturing message contents, it also summarizes local MSN accounts and provides many statistics information.

 3)   Unipeek MSN Monitor 2.0
Unipeek MSN Monitor (MSN sniffer) is a free MSN monitoring tool designed for MSN chat monitoring and MSN message archiving. Only install Unipeek MSN Monitor once, you can monitor all MSN chats over the entire network. Designed for both home and SMBs.