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The Dude vs ntopng: catalog facts
The Dude	ntopng
Free Free to download from MikroTik.	Freemium Licensed editions are sold by ntop, listed as models on the product page.
Windows	Windows, macOS, Linux, Self-hosted
Automatic device discovery Draws network maps from discovered devices	Application detection powered by nDPI Real-time and historical traffic in a web interface
Installer is Windows only Closely tied to the MikroTik ecosystem	Some features need a paid licence Needs a mirror port, TAP or flow exporter to see network traffic
Downloadable app	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
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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