Open Source Monitoring System for performance and availability.
Snare Enterprise: bit.ly/Snare-Trial
Ping monitoring tool (32 Bit) for any Windows System (x86 or x64)
Windows tool for monitoring and configuring your network adapters
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Free Syslog Server for Windows with a graphical user interface
A powerful WOL, ping, shutdown, GUI application.
Internet line monitor for mobile internet/wireless users.
Visual Syslog Server for Windows with a graphical user interface.
The Network Forensics Tool
Logs IP to IP contact, number of packets, bytes.