Libre Hardware Monitor

Libre Hardware Monitor tracks computer temperature sensors, fan speeds, voltages, load, and clock speeds.

github.com/LibreHardwareMonitor/LibreHardwareM…
Libre Hardware Monitor homepage screenshot

About Libre Hardware Monitor

Libre Hardware Monitor is free, open-source software that monitors temperature sensors, fan speeds, voltages, load, and clock speeds. It provides a Windows Forms application that presents readings in a graphical interface, and a separate library for use in other applications.

It can read data from motherboards, Intel and AMD processors, NVIDIA, AMD and Intel graphics cards, HDD, SSD and NVMe drives, and network cards. Some sensors require administrator privileges, and readings can vary by motherboard manufacturer.

Key features

  • Show readings in a Windows Forms graphical interface
  • Read motherboard sensor data
  • Read Intel and AMD processor data
  • Read NVIDIA, AMD, and Intel graphics card data
  • Read HDD, SSD, NVMe, and network card data
  • Provide library for use in other applications via NuGet
Best for: Best for Windows users and developers who want to view hardware sensor data or reuse monitoring in their own applications.
Good for
  • Free and open source software licensed under MPL 2.0
  • Includes both a graphical application and a library for other applications
  • Reads data from motherboards, processors, graphics cards, drives, and network cards
Watch out for
  • Some sensors require administrator privileges to access data
  • Sensor reading accuracy can differ by motherboard manufacturer

Libre Hardware Monitor at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Windows
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

Libre Hardware Monitor alternatives

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Dimmer

nelsonpires.com/software/dimmer

Dimmer provides brightness controls for multiple computer displays through a small Windows application.

HWMonitor

cpuid.com/softwares/hwmonitor.html

HWMonitor reads PC health sensors such as voltages, temperatures, fan speeds, and CPU or GPU usage.

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Libre Hardware Monitor FAQ

What devices can it read data from?
Motherboards, Intel and AMD processors, NVIDIA, AMD and Intel graphics cards, HDD, SSD and NVMe drives, and network cards.
Do I need administrator privileges?
Some sensors require administrator privileges to access the data.
Is this project affiliated with librehardwaremonitor.com?
No. The project states it is not affiliated with that site and advises avoiding it.
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