VisualPulse Web Edition 

VisualPulse enables 24x7 Web-based monitoring of Web pages, servers and network nodes, reporting Ping, HTTP, SNMP, and TCP performance and easy-access Web-based reports. Provides automated alerts and traceroute capture for problem analysis.
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ActiveXperts Network Monitor 

ActiveXperts Network Monitor is the leading solution for monitoring all aspects of your LAN and WAN servers, workstations and devices. ActiveXperts Network Monitor supports Windows platforms, UNIX platforms, Linux platforms, and Novell platforms.
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