Snare Enterprise: bit.ly/Snare-Trial
Ping monitoring tool (32 Bit) for any Windows System (x86 or x64)
A multi-platform universal log collector and forwarder
Free Syslog Server for Windows with a graphical user interface
Visual Syslog Server for Windows with a graphical user interface.
The Network Forensics Tool
Stormons is a powerful SAN mapping and monitoring program
Logs IP to IP contact, number of packets, bytes.