sMonitor 4.1 Build (by Alexander Yarovy)
Monitors networked computers and TCP/IP services running on them continuously.

sMonitor 4.1 Build (by Alexander Yarovy)
Monitors networked computers and TCP/IP services running on them continuously.

AlertPing 2.7.6 (by P&S Group)
While your hosts are hanging-up,your income is falling. St it with "AlertPing".

AlertPingPro 2.7.6 (by P&S Group)
While your hosts are hanging-up,your income is falling. St it with "AlertPing".

NetGong 5.9 (by Tsarfin Computing Ltd)
Monitor connectivity and device availability of your network.

IPSentry Network Monitoring Suite 4.7.0 (by RGE, Inc.)
Monitor your network and its devices to receive notifications for problems.

IPSentry Network Monitoring Suite 5.0.20 (by RGE, Inc.)
Monitor your network and its devices to receive notifications for problems.

ipPulse 1.65 (by Northwest Performance Software, Inc.)
Monitor network devices and notify of problems via email, pager, web, logs

Axence NetTools 2.1 (by Axence Software, Inc.)
Host monitoring with alerting and history, trace, port/network scanner and more.

Bello Network Monitoring WinGUI 5.0.1.231 (by Paessler AG)
Monitoring for your websites and servers - easy to use and cost effective

Bello Network Monitoring WinGUI 5.3.1.587 (by Paessler AG)
Monitoring for your websites and servers - easy to use and cost effective

Netoscope 1.6 (by Basta Computing, Inc.)
Netoscope: Internet server monitor.

The Dude 1.1 (by MikroTik)
The Dude will layout your network on a map and will monitor services of devices

Sniff-em Packet sniffer 1.12 (by YASC LTD)
Sniff'em 1.12 is a Windows based allround Packet sniffer and Network analyzer.

SNMPTest 1.03 (by Noel Danjou)
Query and monitor any SNMP-compatible device

MailMonitor 1.6.3 (by DigiArch.org)
If you have mail problems, MailMonitor shows you what's going on at port level.