Compare software

Icinga 2Sensu
Free

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

 Freemium

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

Self-hosted Windows, Linux, Self-hosted, Command line
  • Supports distributed monitoring setups
  • Runs service checks and notifications
  • Monitoring defined as code and applied with sensuctl
  • Routes check results to alerting and automation handlers
  • A complete deployment involves configuration and optional web-interface components.
  • Aimed at operations teams rather than single desktops
  • Some features are part of paid plans
Self-hosted Downloadable app, Self-hosted
Open source Closed source
License: GPL-3.0 License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 1, 2026

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