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ntopng vs IPTraf-ng: catalog facts
ntopng	IPTraf-ng
Freemium Licensed editions are sold by ntop, listed as models on the product page.	Free Free and open source.
Windows, macOS, Linux, Self-hosted	Linux, Command line
Application detection powered by nDPI Real-time and historical traffic in a web interface	Live traffic view in the terminal Works over SSH on headless servers
Some features need a paid licence Needs a mirror port, TAP or flow exporter to see network traffic	Linux only Text interface with no graphical charts
Downloadable app, Self-hosted	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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