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Best Infrastructure Monitoring in 2026

Infrastructure monitoring helps you track the hosts, services, and virtual machines in the environments you operate. Compared on deployment model, agentless monitoring, and OS coverage, the entries also specify included hosts and metrics retention.

  1. 01 Checkmk

    Checkmk suits teams monitoring infrastructure across cloud, hybrid, and data center environments, including servers, networks, and containers.

    From $275/mo Free plan Open source Web · Windows · macOS · Linux
    9.4 Visit Specs
  2. 02 MetricsHub

    MetricsHub suits individuals or small projects looking for a free self-hosted monitoring option, as well as environments considering the Enterprise edition for mission-critical use.

    From $15/mo Free plan Open source Web · Windows · Linux · API
    9.1 Visit Specs
  3. 03 Nagios XI

    Nagios XI suits teams that want to host monitoring on their own Linux infrastructure and need configurable checks, notifications and access controls.

    Free plan Web · Windows · macOS · Linux
    9.0 Visit Specs
  4. 04 Netdata

    Netdata lists platform engineers, DevOps teams, SREs, developers, system administrators, CISOs, DBAs, network engineers, and MSPs among its audiences.

    From $4.50/mo Free plan Open source Web · Windows · macOS · Linux
    9.0 Visit Specs
  5. 05 Icinga

    Icinga suits teams of any size that need self-hosted infrastructure monitoring, from small setups to large distributed environments.

    From $166.67/mo Free plan Web · Windows · Linux · API
    8.6 Visit Specs
  6. 06 Checkmate

    Checkmate suits homelabs, SaaS founders, agencies, sysadmins and DevOps teams, e-commerce operators, and open-source maintainers who want self-hosted monitoring.

    Free plan Web · Windows · macOS · Linux
    8.5 Visit Specs
  7. 07 eG Enterprise

    IT operations, architects, SREs, SMEs, DevOps personnel, and developers needing application, infrastructure, and user-experience monitoring.

    From $100/mo Free trial Web · Windows · Linux · Self-hosted
    8.5 Visit Specs
  8. 08 Azure Monitor
    Free trial Web · Windows · macOS · Linux
    8.4 Visit Specs
  9. 09 Fivenines
    From €15/mo Free trial Web · Windows · Linux · API
    8.4 Visit Specs
  10. 10 Google Cloud Monitoring

    It suits teams monitoring applications, infrastructure, Kubernetes workloads, or services across Google Cloud and hybrid or multicloud environments.

    From $0.06/mo Free trial Web · Windows · Linux · API
    8.3 Visit Specs
  11. 11 openITCOCKPIT

    openITCOCKPIT suits teams that need to monitor infrastructure and applications across multiple operating systems and environments.

    From €0.08/mo Free plan Web · Windows · macOS · Linux
    8.3 Visit Specs
  12. 12 LogicMonitor

    LogicMonitor suits enterprises, IT teams, and MSPs managing complex hybrid environments across Linux, Windows, cloud, and on-premises systems.

    From $16/mo Free trial Web · Windows · Linux · API
    8.2 Visit Specs
  13. 13 Gyeeta

    Gyeeta suits teams operating self-hosted Linux infrastructure that need TCP service and process visibility without instrumenting applications.

    Free plan Web · Linux · API · Self-hosted
    8.1 Visit Specs
  14. 14 Sensu Go

    Sensu Go is suited to enterprise DevOps and SRE teams that need to automate monitoring across varied infrastructure.

    From $3/mo Free plan Web · Windows · macOS · Linux
    8.1 Visit Specs
  15. 15 Mackerel

    Mackerel suits teams monitoring cloud infrastructure, servers or container workloads.

    Free plan Web · Windows · Linux · API
    7.9 Visit Specs
  16. 16 Site24x7 Server Monitoring

    Site24x7 suits IT and DevOps teams monitoring mixed server infrastructure.

    From $9/mo Free trial Web · Windows · Linux · iOS
    7.9 Visit Specs
  17. 17 Monit

    Monit suits administrators who want self-hosted monitoring and automated maintenance for Unix systems.

    Free plan macOS · Linux · Self-hosted
    7.8 Visit Specs
  18. 18 Munin
    Free plan Linux · API · Self-hosted
    7.8 Visit Specs
  19. 19 Oracle Cloud Infrastructure Container Registry
    Free plan Web · Linux · API
    7.8 Visit Specs
  20. 20 Performance Co-Pilot

    PCP suits teams needing centralized monitoring for distributed processing, clusters, web-server farms, or large systems.

    Free plan Windows · macOS · Linux · API
    7.8 Visit Specs
  21. 21 CloudPhysics
    Free plan Web
    7.7 Visit Specs
  22. 22 Monitorix
    Free plan Linux · Self-hosted
    7.7 Visit Specs
  23. 23 Prometheus

    It suits teams that need open-source metrics collection, querying and alerting, including self-hosted deployments.

    Free plan Web · Windows · macOS · Linux
    7.7 Visit Specs
  24. 24 ScienceLogic SL1
    From $5/mo Free trial Web · API · Self-hosted
    7.7 Visit Specs
  25. 25 Sematext Monitoring
    From $2.80/mo Free trial Web · Windows · Linux
    7.7 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Service monitoring and VM monitoring are useful dimensions to consider when assessing coverage, while free-plan availability and paid-from pricing add cost context. Netdata, Checkmk, and Sensu Go are among the options shown, with openITCOCKPIT and Site24x7 Server Monitoring also included. Match the listed monitoring scope and deployment details to the systems you need to observe.

Compare Checkmk and MetricsHub Get a place on this list

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