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Naemon vs The Dude: catalog facts
Naemon	The Dude
Free Free community project.	Free Free to download from MikroTik.
Linux, Self-hosted	Windows
Drop-in successor for Nagios users Bug fixes and performance work on the Nagios 4 core	Automatic device discovery Draws network maps from discovered devices
Configuration follows the older Nagios style Needs a server to run on	Installer is Windows only Closely tied to the MikroTik ecosystem
Self-hosted	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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