TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
The Dude - MikroTik is a Latvian company which was founded in 1996 to develop routers and wireless ISP systems. MikroTik now provides hardware and software for Internet connectivity in most of the countries around the world.
NetBalancer - NetBalancer is a Windows application for local network traffic control and monitoring.
Pandora FMS - Pandora FMS: Opensource monitoring software
NetTraffic - Essential network bandwidth monitor.
cStatus - Monitor and scan a network.