Cucusoft Net Guard, a free software to monitor your broadband usage, speed up your Internet speed, kill malware who are wasting your bandwidth, provide you a monthly detail Broadband Usage report.

Ping all your servers every few minutes. If some servers went down you immediately receive SMS message on your cell phone. Program works even if internet connection is down because it sends SMS from cell phone connected to computer

Algorius Net Viewer - is a powerful and convenient tool for visualizing, managing, and monitoring of home and corporate computer networks.

This is a free edition of AthTek NetWalk, which can help network administrators in network monitoring and packet sniffing greatly. It takes advantages of many popular network monitoring tools and achieves better performance.

Network mapping monitoring, alerting and reporting software, Linux, NetWare and SNMP devices in one package. It centralizes fault management, collecting, alerting and delivering performance reports on events from SNMP sources, Windows Event Logs.