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No. 4 of 58 ·Hardware Monitoring Software

Checkmk

Web · Windows · Mac · Linux · Self-hosted · API · paid plans from $275/mo

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Freedom report

Three barsScore 6.6

  • Free tierA free tier is on its own pricing page
  • Open codeNo open-source code on record
  • Runs widely4 of 6 device platforms
  • DocumentedPlans, terms and facts published

Checkmk monitors cloud, hybrid and data-center infrastructure, including containers, networks, and web, mail and database servers. It uses more than 2,000 smart checks, automatic discovery and network mapping. Monitoring can use native agents for Windows, Linux and other systems, agentless SNMP and TCP/UDP checks, or API-based checks over HTTP/XML, SSH or TELNET. Cloud coverage includes AWS, Azure and Google Cloud Platform, with automatic component detection and Quick Setup. One instance can monitor thousands of servers, and distributed monitoring supports horizontal scaling. The Community edition includes more than 2,000 integrations and is aimed at smaller infrastructures, with scaling described at approximately 100 hosts. Checkmk can run on customer hardware or virtualized infrastructure, with packages for major Linux distributions, Docker and a Virtual Appliance. The Community plan is free; the pricing note lists paid plans from €190/mo (annual), and a 30-day trial is available. Checkmk supports API, Linux, macOS, self-hosted, web and Windows environments.

Who it is for

Checkmk suits teams responsible for monitoring servers, networks, containers or cloud infrastructure across mixed environments. The Community edition is intended for smaller infrastructures, while distributed monitoring supports larger server estates.

What is good

  • More than 2,000 built-in integrations.
  • Monitors AWS, Azure and Google Cloud Platform.
  • Supports agent-based, agentless and API checks.
  • One instance can monitor thousands of servers.
  • Can run on customer hardware or virtualized.

What to know first

  • Community edition is intended for smaller infrastructures.
  • Community scaling is described at approximately 100 hosts.
  • Paid plans start at €190/mo (annual).

Verdict

Checkmk offers broad infrastructure coverage and several monitoring methods, with a free Community option for smaller environments. The listed pricing note gives paid plans from €190/mo (annual), and a 30-day trial is available.

Checkmk plans and pricing

All plans
Community Free Forever free of charge 2000+ pre-built integrations · up to ~100 hosts · community support checkmk.com · 30 Sept 2026
Synthetic Monitoring Free billed annually $0.00/test · 3 free tests · available with Pro and Ultimate checkmk.com · 30 Sept 2026
Pro $275/mo billed annually from $275/month · as low as ~$2.75/host per month · equivalent to ~3,000 services · 8h x 5d professional support checkmk.com · 30 Sept 2026
Cloud $290/mo monthly billing ~$8.70/host per month · 1 host = ~30 services · 1K–50K services · 99.5% availability checkmk.com · 30 Sept 2026
Ultimate $400/mo billed annually from $400/month · as low as ~$4.00/host per month · equivalent to ~3,000 services · 10h x 5d professional support · upgrade to 24h x 5d support checkmk.com · 30 Sept 2026

Compared on hardware monitoring software

Free plan
Yes

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