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Best Hardware monitoring tools in 2026

  1. 1

    Centreon

    by Centreon
    Free plan Open source APILinuxSelf-hosted+2

    Centreon combines broad infrastructure monitoring with SaaS and self-hosted deployment options. Its free plan covers 100 hosts, while paid editions add options at listed per-host prices.

    8.9 Free plan · paid from €2.27 · 7-day trial Visit site
  2. 2

    Checkmk

    Free plan Open source AndroidAPIiPhone+5

    Checkmk offers broad infrastructure coverage and several monitoring methods, with a free Community option for smaller environments.

    8.9 Free plan · paid from €190/mo (annual) · 30-day trial Visit site
  3. 3

    Glances

    Free plan Open source AndroidAPILinux+4

    Glances covers a broad set of system metrics and offers several ways to monitor remotely or export statistics. Check its Python requirement and optional dependency setup against the features you need.

    8.9 Free plan Visit site
  4. 4

    Netdata

    Free plan Open source AndroidAPIiPhone+5

    Netdata combines infrastructure metrics, logs, alerts, and troubleshooting across cloud and on-premises deployment options.

    8.7 Free plan · paid from $4.50/mo (annual) · 14-day trial Visit site
  5. 5

    Telegraf

    Free plan Open source APILinuxMac+3

    Choose the free open source edition for personal, small, or simple metric pipelines across infrastructure, applications, and devices.

    8.5 Free plan · paid from $18,000/yr Visit site
  6. 6

    NVIDIA Data Center GPU Manager

    by NVIDIA Data Center GPU Manager
    Free plan APILinuxSelf-hosted

    DCGM combines GPU telemetry, health controls, APIs, and cluster integrations for Linux infrastructure. Keep its deployment requirements and TCP security limitation in mind when planning use.

    7.5 Free plan Visit site
  7. 7

    smartmontools

    Free plan LinuxMacWindows

    smartmontools provides command-line health checks and daemon-based monitoring across a wide range of listed systems. Its scope is focused on SMART reporting, tests, and warnings.

    7.5 Free plan Visit site
  8. 8

    Libre Hardware Monitor

    Free plan APISelf-hostedWindows

    Libre Hardware Monitor offers broad Windows sensor monitoring as free, open-source software. Its separate library supports integration, while permissions and hardware differences can affect readings.

    7.5 Free plan Visit site
  9. 9

    Supermicro SuperDoctor 5

    Free plan LinuxWindows

    SuperDoctor 5 offers free monitoring and remote management for administrators working with Supermicro servers. Its server requirement and one-to-one management model are important fit considerations.

    7.4 Free plan Visit site
  10. 10

    XStat

    Free plan AndroidWebWindows

    Choose XStat if you want free, customizable hardware monitoring across a Windows PC and devices on its local network.

    7.4 Free plan Visit site
  11. 11

    Pokesensor

    Free plan LinuxMacWindows

    Choose Pokesensor for free, local hardware monitoring with live graphs, an overlay, and desktop alerts across three desktop platforms.

    7.4 Free plan · paid from $5/mo Visit site
  12. 12

    MSI Afterburner

    by MSI Afterburner
    Free plan AndroidWindows

    Choose MSI Afterburner if you want a free Windows utility with GPU tuning, hardware monitoring, fan control, and an on-screen display.

    7.3 Free plan Visit site
  13. 13

    Macs Fan Control

    by Macs Fan Control
    Free plan MacWindows

    Choose Macs Fan Control for Mac fan and sensor monitoring, with fan adjustment options on macOS and an automatic return to Auto when the app quits.

    7.3 Free plan · 14-day trial Visit site
  14. 14

    NVTOP

    Free plan LinuxSelf-hosted

    NVTOP provides a command-line view of GPU and accelerator activity across a broad listed set of vendors. Feature support varies by system, and some process reporting has stated kernel requirements.

    7.3 Free plan Visit site
  15. 15

    GKrellM

    Free plan LinuxMacWindows

    GKrellM combines a wide set of system monitors with charts, alarms, themes, and plugin support. Check the application requirements and sensor dependencies for the platform and readings you need.

    7.3 Free plan Visit site
  16. 16

    gpuview

    Free plan APILinuxWeb

    Choose gpuview if you want a free dashboard and API for monitoring GPU statistics across registered hosts.

    7.3 Free plan Visit site
  17. 17

    HWiNFO

    by HWiNFO
    Free plan Windows

    HWiNFO brings hardware details, real-time status monitoring, reporting, and logging together, with free personal and non-commercial use.

    7.2 Free plan Visit site
  18. 18

    GPU-Z

    Free plan Windows

    GPU-Z offers a focused way to inspect graphics hardware information and selected monitoring details at no cost. Its usefulness depends on the graphics-card support noted for some readings.

    7.2 Free plan Visit site
  19. 19

    Core Temp

    Free plan AndroidWindows

    Core Temp focuses on direct processor-core temperature readings with monitoring, alerts, plug-ins, and an Android companion.

    7.2 Free plan · paid from $6 Visit site
  20. 20

    AMD SMI

    Free plan APILinuxSelf-hosted

    AMD SMI provides programming interfaces and a CLI for AMD GPU, CPU, and NIC management on Linux. Check driver, privilege, and Python requirements before deployment.

    7.2 Open source Visit site
  21. 21

    Icinga

    Free plan APILinuxSelf-hosted+2

    Icinga offers self-hosted monitoring with a free edition and options for distributed setups, certificate monitoring, and integrations.

    7.2 Free plan · 60-day trial Visit site
  22. 22

    LibreNMS

    Free plan AndroidAPIiPhone+3

    LibreNMS provides broad network discovery, alerting, and monitoring capabilities at no listed plan cost. It is self-hosted, with community help and partner-provided commercial support available.

    7.2 Free plan Visit site
  23. 23

    Argus Monitor

    by Argus Monitor
    Free plan Windows

    Argus Monitor combines detailed fan controls with hardware and storage monitoring for Windows. A 30-day evaluation is listed, followed by licenses from $16.45 a year.

    7.1 From $16.45 · 30-day trial Visit site
  24. 24

    SpeedFan

    by SpeedFan
    Free plan Windows

    SpeedFan combines hardware monitoring, disk-health readings, and conditional fan control at no cost. Its power-user focus and hardware compatibility requirements make careful configuration important.

    7.1 Free plan Visit site
  25. 25

    lm-sensors

    Free plan LinuxSelf-hosted

    lm-sensors provides several ways to expose Linux hardware readings, from command-line output to libraries and RRD feeds.

    7.1 Free plan Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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