NetFlow

Live network traffic visualizer that plots packet flows on an animated world map

Webfree

NetFlow is a free, open-source live packet flow visualizer that pulls active flow data from ntop-ng, geocodes the endpoints, resolves hostnames, detects device OS, and renders animated arcs on a zoomable world map in real time. It runs with zero npm dependencies and caches geo/DNS lookups to disk so restarts stay fast. It's for homelab operators running ntop-ng on pfSense who want a live, visual sense of where their network traffic is actually going instead of reading raw flow tables.

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