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Centreon vs Nagios Core: catalog facts
Centreon	Nagios Core
Freemium Free community edition with paid enterprise tiers for advanced features and support.	Free Free and open source. Hosting, hardware and any external services are separate.
Self-hosted	Self-hosted
Business activity views connect infrastructure health to business impact Self-hosted deployment keeps monitoring data under your own control	Runs plugin-based checks Tracks availability and sends notifications
Full feature set is split across free and paid enterprise editions Enterprise-oriented tooling can be heavier to set up than lightweight monitors	Configuration and many checks need manual setup or additional plugins.
Self-hosted, Downloadable app	Self-hosted
Open source	Open source
License not stated	License: GPL-2.0
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
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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