FlowViewer
6.8#4 in network traffic analysis software$500 one-timeFree planWebLinux
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FlowViewer suits organizations that need to inspect Netflow traffic and create reports, graphs, or longer-term monitoring views. Its Unix-server requirement makes deployment a consideration for prospective users.
ntopng suits people who need traffic visibility across network sources and want real-time or historical exploration. The free Community edition is described for home and network practitioners with smaller networks.