Traceroute 

A nice FREE graphic replacement for the standard TRACEROUTE utility. Please enter the URL or IP address of the site of your interest in the program's edit field and click the START button. The program will show you IP packets trace from your local computer to the host you have entered.
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GFI LANguard Security Event Log Monitor 

Performs event log based Intrusion detection and network wide event log management. Archives & analyses event logs of all network machines and alerts you in real time to security issues, attacks and other critical events.
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Alchemy Ping 

A nice FREE graphic replacement for the standard PING utility.
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