ipfix

Web-based Traffic and Security Network Traffic Monitoring

Very fast DDoS sensor with sFlow/Netflow/IPFIX/SPAN support

Network flow analytics (Netflow, sFlow and IPFIX) with the Elastic Stack

Flow collector, enricher and visualizer

Open source components and extensions for nProbe

pmacct is a small set of multi-purpose passive network monitoring tools [NetFlow IPFIX sFlow libpcap BGP BMP RPKI IGP Streaming Telemetry].

Enterprise Network Flow Collector (IPFIX, sFlow, Netflow)

The high-scalability sFlow/NetFlow/IPFIX collector used internally at Cloudflare.

Netflow processing tools

High performance sFlow/IPFIX/NetFlow Collector

Netflow iptables module for Linux kernel (official)

softflowd: A flow-based network traffic analyser capable of Cisco NetFlow data export software.

DynamiteNSM is a free Network Security Monitor developed by Dynamite Analytics to enable network visibility and advanced cyber threat detection

High-performance NetFlow v5/v9 and IPFIX collector (RFC7011)

NetMeta is a scalable network observability toolkit optimized for performance.

Export network flows from Kafka to Prometheus

Lightweight Netflow/IPFIX/sFlow collector

IPFIXcol is an implementation of an IPFIX (RFC 7011) collector

IPFIX flow exporter with DPDK support capable of bi-directional flows, per-packet-information statistics, and extensibility via processing plugins (e.g., for application layer parsers).

A collection of network related libraries that includes protocol parsers and daemons