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Naemon vs Monit: catalog facts
Naemon	Monit
Free Free community project.	Free Monit is free and open source; the separate M/Monit dashboard is a commercial product.
Linux, Self-hosted	macOS, Linux, Command line
Drop-in successor for Nagios users Bug fixes and performance work on the Nagios 4 core	Restarts failed services and acts on resource limits automatically Very small footprint
Configuration follows the older Nagios style Needs a server to run on	No Windows support Central management of many hosts needs the paid M/Monit
Self-hosted	Downloadable app
Open source	Open source
License not stated	License: AGPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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