cflowd: Traffic Flow Analysis Tool
Note: cflowd is a flow analysis tool that was used for analyzing Cisco's NetFlow enabled switching method
since 2004 not supported
EHNT – Extreme Happy Netflow Tool
Note: The purpose of this EHNT (pronounced 'ent') is to get some useful information from netflow (version 5 only) without too much trouble.
Flow Loader And Virtual Information Output (F.L.A.V.I.O.)
Note: A data grapher for netflow.
Note: flowd is a small, fast and secure NetFlow™ collector. Not more evolving,last release 2010.
Note: FlowScan – Network Traffic Flow Visualization and Reporting Tool. FlowScan analyzes and reports on Internet Protocol (IP) flow data exported by routers
Note: FlowViewer is a web-based netflow data analysis tool.
Note: Flow-tools is library and a collection of programs used to collect, send, process, and generate reports from NetFlow data.
ManageEngine NetFlow Analyzer
Licence: commercial. Monitors only two interfaces. But, for the first 30-days it can monitor unlimited interfaces.
Note: NetFlow Monitor (NF) is tool for processing and evaluating NetFlow Exports from CISCO router. Not more evolving,not more evolving.
Note: The nfdump tools collect and process netflow data on the command line. They are part of the NfSen project which is explained more detailed at
Note: NfSen is a graphical web based front end for the nfdump netflow tools.
Paessler PRTG Traffic Grapher
Support: SNMP, NetFlow, Packet Sniffing
Licence: commercial, free version has a limitation on number of agents
Support: SNMP, NetFlow
Licence: GNUGPL v2
Note:pmacct is a small set of passive network monitoring tools to measure, account, classify, aggregate and export IPv4 and IPv6 traffic
Support: sFlow, NetFlow
SolarWinds NetFlow Traffic Analyzer