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Centreon vs Nagios XI: catalog facts
Centreon	Nagios XI
Freemium Free community edition with paid enterprise tiers for advanced features and support.	Paid Perpetual license priced per monitored node, with a 30-day free trial.
Self-hosted	Self-hosted
Business activity views connect infrastructure health to business impact Self-hosted deployment keeps monitoring data under your own control	Monitors servers, network devices and applications from one self-hosted install Web config wizard and dashboards simplify setup compared to raw Nagios Core
Full feature set is split across free and paid enterprise editions Enterprise-oriented tooling can be heavier to set up than lightweight monitors	Perpetual per-node licensing can get expensive as infrastructure grows Proprietary layer on top of Nagios Core, so it is not itself open source
Self-hosted, Downloadable app	Self-hosted, Downloadable app
Open source	Closed source
License not stated	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
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.