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SensuNagios Core
Freemium

Free download, with paid plans listed on the pricing page.

 Free

Free and open source. Hosting, hardware and any external services are separate.

Windows, Linux, Self-hosted, Command line Self-hosted
  • Monitoring defined as code and applied with sensuctl
  • Routes check results to alerting and automation handlers
  • Runs plugin-based checks
  • Tracks availability and sends notifications
  • Aimed at operations teams rather than single desktops
  • Some features are part of paid plans
  • Configuration and many checks need manual setup or additional plugins.
Downloadable app, Self-hosted Self-hosted
Closed source Open source
License not stated License: GPL-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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