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Nagios Core vs openITCOCKPIT Community Edition: catalog facts
Nagios Core	openITCOCKPIT Community Edition
Free Free and open source. Hosting, hardware and any external services are separate.	Free The Community Edition is open source under GPL-3.0.
Self-hosted	Windows, macOS, Linux, Web, Self-hosted
Runs plugin-based checks Tracks availability and sends notifications	Configures and visualizes Nagios, Naemon, and Prometheus monitoring Includes an agent for Windows, Linux, and macOS
Configuration and many checks need manual setup or additional plugins.	Requires a self-hosted monitoring server
Self-hosted	Downloadable app, Web application, Self-hosted
Open source	Open source
License: GPL-2.0	License: GPL-3.0
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 October 8, 2026

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