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ntopngsFlow-RT
Freemium

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

 Free

Downloadable from InMon's site; the engine itself is proprietary, not open source.

Windows, macOS, Linux, Self-hosted Self-hosted
  • Application detection powered by nDPI
  • Real-time and historical traffic in a web interface
  • Real-time metrics from standard sFlow telemetry
  • REST API with thresholds and notifications
  • Some features need a paid licence
  • Needs a mirror port, TAP or flow exporter to see network traffic
  • Needs devices that export sFlow
  • API-first engine; dashboards come from add-on applications
Downloadable app, Self-hosted Downloadable app, Self-hosted
Closed source Closed source
License not stated License not stated
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 1, 2026

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