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Checkmate vs OneUptime: catalog facts
Checkmate	OneUptime
Free Free and open source to self-host.	Freemium Self-hosting is free; the hosted service has paid plans.
Web, Self-hosted	Web, Self-hosted
Combines uptime checks with server hardware monitoring Docker and Helm chart deployment options	Monitoring, status pages and on-call in one tool Can be self-hosted
You have to host and maintain it yourself No hosted version described in the research	Large platform that takes effort to run yourself Much of the feature set is aimed at teams rather than individuals
Self-hosted	Self-hosted, Hosted service
Open source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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