1)   IPHost Network Monitor 1.3.1888
IPHost Network Monitor is a reliable network and server monitoring tool. This software lets you monitor mail servers, internet hosts, database servers and other network resources. Performance counters on Windows computers can be monitored via WMI.

 2)   HiPing 1.63 (build 318)
HiPing useful in testing and debugging TCP/IP troubles. It sends out a packet and expects a specified host(s) to respond back in a specified time frame. HiPing supports command line parameters, HTML file format reports.

 3)   Free Network Device Monitor 1.0
Our free Network Device Monitor shields the performance and availability of any network device from the forces of evil lurking on your network. In just seconds, you can quickly and easily start monitoring your favorite network device!