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Blackbox Exporter vs Checkmate: catalog facts
Blackbox Exporter	Checkmate
Free Free and open source, part of the Prometheus project.	Free Free and open source to self-host.
Linux, Self-hosted	Web, Self-hosted
Probes over several protocols including ICMP and gRPC Official Prometheus project with regular maintenance	Combines uptime checks with server hardware monitoring Docker and Helm chart deployment options
Needs Prometheus to collect and store results No interface of its own beyond a basic status page	You have to host and maintain it yourself No hosted version described in the research
Downloadable app, 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.