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Nezha vs Checkmate: catalog facts
Nezha	Checkmate
Free Free and open source.	Free Free and open source to self-host.
Linux, Self-hosted	Web, Self-hosted
Lightweight dashboard and agents SSL certificate expiry monitoring	Combines uptime checks with server hardware monitoring Docker and Helm chart deployment options
Needs a server to host the dashboard Much of the community documentation is in Chinese	You have to host and maintain it yourself No hosted version described in the research
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
No account 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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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