1)   PRTG - Paessler Router Traffic Grapher 5.2.0.581
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.
SNMP, packet sniffer, packet sniffing, netflow, cisco, router, firewall, mrtg, bandwidth, usage,

 2)   Network Management Map 2007
A comprehensive network management guide and reference for Telecom, IT and networking professionals. An easy to use training tool for IT students to get an overall picture of network management architechture, frameworks, models, protocols.
Network Management, snmp, fcaps, tmn, etom, cmip, cmis, netflow, rmon,

 3)   Paessler SNMP Tester 1.0
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.
SNMP, packet sniffer, packet sniffing, netflow, cisco, router, firewall, mrtg, bandwidth, usage,

 4)   Engineer's Toolset 9.1
Packed with 49 powerful tools, Engineer's Toolset delivers the network management, monitoring, and troubleshooting tools you need to easily and effectively manage your infrastructure - all in one extremely affordable package. www.solarwinds.com
TFTP, Server, PING, SNMP, free, ICMP, network, monitor, discovery, bandwidth,

 5)   Paessler Netflow Tester 1.0
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.
SNMP, Cisco, netflow, packet sniffer, packet sniffing, netflow, cisco, router, firewall, mrtg,

 6)   ManageEngine NetFlow Analyzer 4.0
ManageEngine NetFlow Analyzer is a web-based bandwidth monitoring tool that uses Cisco NetFlow to show you what applications are using bandwidth, who is using them, and for how long.
bandwidth, netflow, netflow analyzer, bandwidth monitor, bandwidth meter, bandwidth analyzer, traffic analyzer,

 7)   Orion Netflow Traffic Analyzer 2.2
Free trial software: Orion NetFlow Traffic Analyzer provides deep visibility into network traffic behavior and trends and delivers an in-depth view into which users and applications are consuming the most bandwidth.
Cisco, NetFlow, free, software, download, traffic, analysis, network, consumption, bandwidth,

 8)   StableNet Express 5.0.1
StableNet Express comprehensively monitors your entire business critical network, system and application environments and helps you understand the health of your network devices and services.
network management, netflow, cflow, sflow, netstream, saa, smnp, rmon, reporting, sla,