1)   PRTG - Paessler Router Traffic Grapher 6.2.1.957
An easy to use Windows solution that monitors and classifies bandwidth and network usage. The software supports SNMP, packet sniffing and netflow to generate live readings and trend data to optimize the efficiency of your network components.

 2)   LoriotPro Free Edition 4.0
The freeware edition of the LoriotPro software gives you access to a powerful graphical snmp manager. This Windows-based software helps you to access snmp devices, analyze snmp requests, perform snmp get and set requests, compile mib.

 3)   Paessler Netflow Tester 1.1
Paessler Netflow Tester is a free program that simply dumps the data of all Netflow packets that a computer receives from a Cisco router. This can be useful when debugging bandwidth monitoring configurations based on Cisco's Netflow protocol.

 4)   Paessler WMI Tester 1.1.02
Paessler WMI Tester is a tool for quickly and easily testing the accessibility of WMI counters. "Windows Management Instrumentation" is the latest technology from Microsoft for monitoring and managing Windows based systems.

 5)   Paessler SNMP Tester 2.2
Test and debug SNMP requests with Paessler SNMP Tester for free. Run simple SNMP requests against a device in your network, testing each single step of the SNMP request as it is logged into a logfile for analysis.

 6)   MetaGauge 1.0
MetaGauge is network traffic monitoring software designed to be easy to configure and maintain. MetaGauge monitors traffic on network devices by using SNMP to track the amount of data passed through the interfaces.