
Checkmk
8.8#1 in hardware monitoring softwareFrom $275 a monthFree planAndroidiOSWebAPI
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It suits teams monitoring mixed infrastructure, servers, networks, and cloud services. The Community edition is aimed at smaller infrastructures, while distributed monitoring can support larger setups.
It suits engineering teams building observability dashboards around open-source telemetry systems. Developers needing dashboard-as-code, embedding, Kubernetes management, or CI/CD automation may find its tooling relevant.