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Checkmate vs Tianji: catalog facts
Checkmate	Tianji
Free Free and open source to self-host.	Free Free and open source. Hosting, hardware and any external services are separate.
Web, Self-hosted	Self-hosted
Combines uptime checks with server hardware monitoring Docker and Helm chart deployment options	Provides several monitoring views in one application Can be hosted on your own infrastructure
You have to host and maintain it yourself No hosted version described in the research	Requires deployment and configuration of data collection.
Self-hosted	Self-hosted
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	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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