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Observium vs Checkmk: catalog facts
Observium	Checkmk
Freemium A free community edition is available. Professional and Enterprise editions are paid.	Freemium Free open-source Raw edition, with paid Enterprise and Cloud editions.
Linux, Web, Self-hosted	Self-hosted
Autodiscovery means devices appear with graphs and inventory automatically Clean interface that stays readable with many devices	Auto-discovery reduces manual setup for new hosts and services Supports both agent-based and agentless SNMP monitoring
The community edition receives releases far less often than the paid one Alerting and some features are in the subscription edition	Advanced features and scaling are gated behind paid commercial editions Self-hosted setup and tuning takes more effort than a hosted SaaS monitor
Self-hosted	Self-hosted, Downloadable app
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.