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Developer Tools

Best Server Monitoring in 2026

Server monitoring tools help you track hosts, metrics, processes and containers, with options for discovery and retention. Before choosing, compare free and paid plans, included hosts, monitoring method, metric retention, supported operating systems and deployment options.

  1. 01 Centreon

    Centreon suits IT teams monitoring servers, networks, applications, and cloud or edge infrastructure.

    From €0.19/mo Free plan Open source Web · Windows · Linux · API
    9.4 Visit Specs
  2. 02 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
  3. 03 ManageEngine OpManager

    OpManager suits teams monitoring network devices and servers in a self-hosted deployment.

    From $7.92/mo Free plan Web · Windows · Linux · iOS
    9.2 Visit Specs
  4. 04 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
  5. 05 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
  6. 06 Glances

    Glances suits people who want system statistics and process monitoring across supported systems, including remote views or exports.

    Free plan Open source Web · Windows · macOS · Linux
    8.9 Visit Specs
  7. 07 Canonical Landscape

    Landscape suits teams administering large or growing Ubuntu estates across desktops, servers, cloud systems, and embedded devices.

    From $571.75/mo Free plan Web · Linux · API · Self-hosted
    8.8 Visit Specs
  8. 08 eZ Server Monitor
    Free plan Web · Linux · Self-hosted
    8.7 Visit Specs
  9. 09 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
  10. 10 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
  11. 11 Beszel
    Free plan Web · Windows · macOS · Linux
    8.4 Visit Specs
  12. 12 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
  13. 13 Paessler PRTG Network Monitor

    Paessler describes PRTG as suited to small and medium IT infrastructures, with features for OT and IoT environments.

    From $16.67/mo Free plan Web · Windows · macOS · Linux
    8.3 Visit Specs
  14. 14 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
  15. 15 OpsDash
    From $1/mo Free plan Web · Windows · Linux · API
    8.2 Visit Specs
  16. 16 BizTalk360
    Free trial Web · Windows · API
    8.1 Visit Specs
  17. 17 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
  18. 18 FrameFlow
    Free trial Web · Windows · iOS · Android
    8.0 Visit Specs
  19. 19 NetXMS

    NetXMS suits teams monitoring networks, infrastructure, applications, servers, service-provider environments, payment systems, or industrial equipment.

    Free plan Web · Windows · macOS · Linux
    7.9 Visit Specs
  20. 20 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
  21. 21 Monitorix
    Free plan Linux · Self-hosted
    7.8 Visit Specs
  22. 22 Munin
    Free plan Linux · API · Self-hosted
    7.8 Visit Specs
  23. 23 Naemon
    Free plan Web · Linux · Self-hosted
    7.8 Visit Specs
  24. 24 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
  25. 25 Site24x7 Server Monitoring

    Site24x7 suits IT and DevOps teams monitoring mixed server infrastructure.

    From $9/mo Free trial Web · Windows · Linux · iOS
    7.8 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).

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