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Observium vs NetXMS: catalog facts
Observium	NetXMS
Freemium A free community edition is available. Professional and Enterprise editions are paid.	Freemium The open-source edition is free; enterprise capabilities and services are available…
Linux, Web, Self-hosted	Self-hosted
Autodiscovery means devices appear with graphs and inventory automatically Clean interface that stays readable with many devices	Collects device and agent data Provides monitoring and management interfaces
The community edition receives releases far less often than the paid one Alerting and some features are in the subscription edition	Enterprise services and editions have separate terms.
Self-hosted	Self-hosted
Closed source	Open 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	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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