Compare software

Nagios CoreCentreon
Free

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

 Freemium

Free community edition with paid enterprise tiers for advanced features and support.

Self-hosted Self-hosted
  • Runs plugin-based checks
  • Tracks availability and sends notifications
  • Business activity views connect infrastructure health to business impact
  • Self-hosted deployment keeps monitoring data under your own control
  • Configuration and many checks need manual setup or additional plugins.
  • Full feature set is split across free and paid enterprise editions
  • Enterprise-oriented tooling can be heavier to set up than lightweight monitors
Self-hosted Self-hosted, Downloadable app
Open source Open source
License: GPL-2.0 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

Checked September 22, 2026

Checked September 22, 2026

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