XRatel SNMP OPC/DDE Server 4.6 (by XRatel Software)
SNMP based network links and device's monitoring for OPC or DDE clients

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

XR PerfMon Tools 3.5 (by XRatel Software)
Set of high performance tools for remotely monitoring servers and workstations.

XRatel PerfMon OPC/DDE Server 4.6 (by XRatel Software)
Server and workstation's health monitoring for OPC or DDE clients

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

XRatel SNMP OPC/DDE Server 4.6 (by XRatel Software)
SNMP based network links and device's monitoring for OPC or DDE clients

XR PerfMon Tools 3.5 (by XRatel Software)
Set of high performance tools for remotely monitoring servers and workstations.

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

Router IP Console 4.0.0.523 (by Innerdive Solutions, LLC.)
The SNMP-based tool for control of active network equipment.

PRTG - Paessler Router Traffic Grapher 5.2.0.581 (by Paessler AG)
Monitor and classify bandwidth and network usage. Easy to use Windows software.

PRTG - Paessler Router Traffic Grapher 6.2.2.983 (by Paessler AG)
Monitor and classify bandwidth and network usage. Easy to use Windows software.

Engineers Toolset 9.0 (by SolarWinds)
Includes 49 powerful desktop tools for diagnosing and fixing network problems

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

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

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

The Dude 2.1 (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 1.7 (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.