IsItUp Network Monitor 4.9.8.1 (by Taro Software Inc.)
IsItUp network monitor for servers, ports, websites, email w/ alerts & graphs

Lannouncement 2.0f (by Taro Software Inc.)
Lannouncement - bulletin board system, discussion groups, emergency alerts

IsItUp Network Monitor 4.9.8.1 (by Taro Software Inc.)
IsItUp network monitor for servers, ports, websites, email w/ alerts & graphs

TheOne Server Monitor Pro 2.5.0 (by TheOne Software Corporation Limited)
TheOne Server Monitor Pro can monitor Website, Email, Database, Network & Server

TheOne Server Monitor Lite 2.5.0 (by TheOne Software Corporation Limited)
TheOne Server Monitor can monitor Website, Email, Database, Network & Server

Monitor Wolf 1.52 (by Lone Wolf Software)
Monitoring software that watches your website and measures i'ts performance.

Radar Website Monitor 4.5.8.3 (by ApicalSoft)
Monitor your website status and performance on a flexible notification basis.

Cuevision Network Monitor Professional 2.2.2 (by Cuevision)
Server, website and network monitoring software with alerting, recovery and repo

Easy Network Service Monitor 2.14 (by Javvin Company)
Easy to use and lost cost Network and service monitoring

Alchemy Network Monitor 8.0 (by M.I.S.Helpers)
Monitors your LAN servers availability and performance, alerts on failures

Alchemy Network Monitor PRO 8.0 (by M.I.S.Helpers)
Monitors your LAN servers availability and performance, alerts on failures

Website Monitoring Expert 4.5.8 (by allapp)
Monitor your website status and performance on a flexible notification basis.

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.