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Sensu vs Moira: catalog facts
Sensu	Moira
Freemium Free download, with paid plans listed on the pricing page.	Free Free and open source; you host it yourself.
Windows, Linux, Self-hosted, Command line	Self-hosted
Monitoring defined as code and applied with sensuctl Routes check results to alerting and automation handlers	Realtime alerting on Graphite and Prometheus metrics Separate API, checker and notifier services
Aimed at operations teams rather than single desktops Some features are part of paid plans	Needs an existing Graphite or Prometheus metrics setup Several services to deploy and maintain
Downloadable app, Self-hosted	Self-hosted
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 October 1, 2026

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