1)   AdRem NetCrunch 3.1
Logical/physical topology mapping; tracking of device/service performance and status; routing maps; custom network views; notifications: email, ICQ, SMS, SNMP; corrective action; web access, event log, trends, reports; supports Windows, NetWare, SNMP

 2)   GetNetworkInfo 2.4
This software monitors changes in your external IP and displays major network parameters of your cumputer such as: computer name, workgroup or domain, internal IP and subnet, external IP.

 3)   URL Monitoring Tool 2.9
Minimize downtime of your server! Any downtime of your website will result in moneraty loss. With this freeware monitoring tool you may constantly check the response from your server and make sure that your website is online 100% of the time.