Yahoo Messenger Monitor Sniffer Cost: $69.95 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Yahoo Messenger Monitor Sniffer: Yahoo Messenger Monitor Sniffer is handy network utility software designed to capture and observe Yahoo Messenger conversations on all computers in a network. It is able to record conversations automatically in real time. And export all intercepted messages to HTML files for later processing and analyzing. It is very easy to make it to work, and it will monitor all conversations in your Local Area network without the use of client software installed on the remote computer.