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ntopngFastNetMon
Freemium

Licensed editions are sold by ntop, listed as models on the product page.

 Free

The Community Edition is free; FastNetMon Advanced is commercial.

Windows, macOS, Linux, Self-hosted macOS, Linux, Command line
  • Application detection powered by nDPI
  • Real-time and historical traffic in a web interface
  • Collects data from common flow protocols and packet capture
  • Can trigger notifications, scripts or BGP announcements
  • Some features need a paid licence
  • Needs a mirror port, TAP or flow exporter to see network traffic
  • Designed for network operators and requires traffic source configuration
Downloadable app, Self-hosted Downloadable app
Closed source Open source
License not stated License: GPL-2.0-only
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.