Open Source Monitoring System for performance and availability.
TraceMAC is a command-line Layer 2 traceroute for Cisco switches
Ping monitoring tool (32 Bit) for any Windows System (x86 or x64)
A powerful WOL, ping, shutdown, GUI application.
terminal program written in vb 2010
The Network Forensics Tool
C# Network Monitoring Software
Speeds Up Dial-up and Cable/DSL Internet Connections