ElastiflowNetwork flow analytics (Netflow, sFlow and IPFIX) with the Elastic Stack
NtopngWeb-based Traffic and Security Network Traffic Monitoring
FastnetmonFastNetMon - very fast DDoS sensor with sFlow/Netflow/IPFIX/SPAN support
goflow2High performance sFlow/IPFIX/NetFlow Collector
nfCollectorCollects Netflow version 1, 5, 6, 7, 9 & IPFIX & stores them on InfluxData time-series DB (InfluxDB)