IT & cloud
Nagios Core is an infrastructure monitoring engine that checks hosts and services and reports changes in their state. It includes host checks, service checks, and alert notifications.
Administrators building a configurable infrastructure monitoring setup
Checks, plugins, and configuration require hands-on administration. Commercial Nagios products and support are separate offerings.
Editorial assessment based on the provider’s published information. Our method
The application is distributed under GPL-2.0. The self-hosted software has no license subscription charge; servers, storage, networking, maintenance, and separately sold services remain your responsibility.
GPL-2.0; Checks, plugins, and configuration require hands-on administration.
The $0 price covers the open source software license. Deployment infrastructure, operations and separately purchased services are not included.
Brings host checks and service checks into the same workflow.
Define a small set of hosts and checks, verify that failures are detected correctly, and tune notification routing before expanding monitoring coverage.
Checks, plugins, and configuration require hands-on administration.
Commercial Nagios products and support are separate offerings.
Nagios Core fits administrators building a configurable infrastructure monitoring setup. Define a small set of hosts and checks, verify that failures are detected correctly, and tune notification routing before expanding monitoring coverage.
Checks, plugins, and configuration require hands-on administration. Commercial Nagios products and support are separate offerings. Start with a small setup and verify credentials, network access, and recovery steps before expanding its role.
The application is distributed under GPL-2.0. The self-hosted software has no license subscription charge; servers, storage, networking, maintenance, and separately sold services remain your responsibility.
Yes. Nagios Core includes host checks. Define a small set of hosts and checks, verify that failures are detected correctly, and tune notification routing before expanding monitoring coverage.
Checks, plugins, and configuration require hands-on administration.
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Yes. New reviews are submitted for moderation. We show published user reviews separately from the editorial overview and never assign a default user rating.
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