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Sensu vs Checkmk: catalog facts
Sensu	Checkmk
Freemium Free download, with paid plans listed on the pricing page.	Freemium Free open-source Raw edition, with paid Enterprise and Cloud editions.
Windows, Linux, Self-hosted, Command line	Self-hosted
Monitoring defined as code and applied with sensuctl Routes check results to alerting and automation handlers	Auto-discovery reduces manual setup for new hosts and services Supports both agent-based and agentless SNMP monitoring
Aimed at operations teams rather than single desktops Some features are part of paid plans	Advanced features and scaling are gated behind paid commercial editions Self-hosted setup and tuning takes more effort than a hosted SaaS monitor
Downloadable app, Self-hosted	Self-hosted, Downloadable app
Closed source	Open source
License not stated	License not stated
No account 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 October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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