Caida
Freeware Collector and Reporting
Dynamic Networks
Is a step by step process to build a detailed Network Usage Reports using RRDTool, flow-tools, FlowScan, and CUFlow.
Flow Tools
Freeware Collector Software
Flow Viewer
Flow-tools Reporting GUI
Flowd
Freeware NetFlow collector that support v5, v7 and v9. Supports IPv4 and IPv6 flows.
IPFlow
IPFlow is a opensource tool that provide network visibility and usage by leveraging NetFlow information.
NetFlow Guide
Open source tools that report NetFlow data
NetFlow Monitor
NetFlow Monitor (NF) is tool for processing and evaluating NetFlow Exports from Cisco routers.
NTop
NTop is an opensource tool that provide network visibility and by leveraging packet captures and NetFlow information.
Panoptis
Security Monitoring
Plixer
NetFlow Collector and analyzer solution
Solarwinds NetFlow Configurator
Free tool for remotely and quickly configuring NetFlow v5 via SNMP on supported Cisco devices.
Stager
NetFlow Reporting Solution