SystemView 2.0 (by CBR Software)
Network Monitoring, Security Management,Inventory management

IT Monitor 3.0 (by CBR Software)
IT Monitor is the leading solution for monitoring LAN, WAN and Applications

Little:eye Lite 1.0 (by CBR Software)
Maps(AutoDiscovery),SNMP Monitoring,Cisco,SNMP Assets,Remote control,Events

Little:eye 3.0 (by CBR Software)
Little:Eye is the most cost affective solution for monitoring networks.

Big:eye 5.0 (by CBR Software)
Big:Eye is complete suite for network and system management.

Little:eye Lite 1.0 (by CBR Software)
Maps(AutoDiscovery),SNMP Monitoring,Cisco,SNMP Assets,Remote control,Events

Little:eye 3.0 (by CBR Software)
Little:Eye is the most cost affective solution for monitoring networks.

Big:eye 5.0 (by CBR Software)
Big:Eye is complete suite for network and system management.

Big:eye Pro 5.0 (by CBR Software)
Big:Eye is suite from sniffer to servicedesk includes monitoring and management.

ManageEngine OpStor Free Edition 4 (by AdventNet Inc.)
Integrated storage network-monitoring tool offering fault & performance mgmt

AdventNet SNMP API - Free Edition 4 (by Adventnet)
AdventNet offers a comprehensive development toolkit for SNMP-based networks.

XR SNMP Tools 3.5 (by XRatel Software)
Set of high performance tools for monitoring network SNMP manageable devices.

AdventNet SNMP API - Free Edition 4 (by Adventnet)
AdventNet offers a comprehensive development toolkit for SNMP-based networks.

Engineers Edition 3.3 (by SolarWinds.Net)
Over 38 Network Discovery, Monitoring, Router and Management tools in 1 package

Adventnet SNMP API .NET 4 (by Adventnet Inc.)
AdventNet SNMP API .NET offers a comprehensive toolkit for SNMP-based networks.

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.