JMR-devandClaude Opus 4.8 463e80709f Add characterization tests; consolidate SensorFormatter switches
Establishes a safety net before refactoring, and lands the first
behavior-preserving cleanup.

Tests (no production behavior change):
- SensorFormatter: full per-type coverage of GetFormatString, FormatValue,
  and GetPlotUnit across every SensorType.
- RemoteWebServer: extract testable seams (ResolveRoute, VerifyCredentials,
  internal pure helpers) and pin routing (incl. the no-hijack rule), query
  and Prometheus parsing, JSON/metric shape, credential semantics, and the
  legacy SHA-256 vector.
- HardwareMonitorService: pin the enable-flag -> settings-key mapping.
- Logger: add a TimeProvider/base-dir test seam; deterministic rotation tests.
- Add [InternalsVisibleTo] for the test project.

Cleanup:
- Collapse SensorFormatter's three parallel SensorType switches into one
  GetFormat source of truth; dedupe CelsiusToFahrenheit. Verified identical
  by the new characterization tests.

167 tests pass (was 55).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-01 19:58:44 -05:00
2026-05-30 22:07:19 -05:00
2026-05-30 17:45:37 -05:00
2025-09-29 18:48:00 +02:00
2026-06-01 16:24:09 -05:00
2026-05-30 22:07:19 -05:00
2021-01-23 12:06:06 +01:00
2026-05-24 16:41:26 +02:00

LibreHardwareMonitor

GitHub license Nuget Nuget (with prereleases) Nuget

Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

What's included?

Name .NET Build Status
LibreHardwareMonitor
Windows Forms based application that presents all data in a graphical interface
.NET Framework 4.7.2
.NET 10.0
Build status
LibreHardwareMonitorLib
Library that allows you to use all features in your own application
.NET Framework 4.7.2
.NET Standard 2.0
.NET 8.0, .NET 9.0, and .NET 10.0
Build status

What can it do?

You can read information from devices such as:

  • Motherboards
  • Intel and AMD processors
  • NVIDIA, AMD and Intel graphics cards
  • HDD, SSD and NVMe hard drives
  • Network cards

Where can I download it?

You can download the latest release here.

Nightly builds

If you have a GitHub account, you can download nightly builds here. Otherwise, you can download the latest nightly build here.

How can I help improve it?

The LibreHardwareMonitor team welcomes feedback and contributions!
You can check if it works properly on your motherboard. For many manufacturers, the way of reading data differs a bit, so if you notice any inaccuracies, please send us a pull request. If you have any suggestions or improvements, don't hesitate to create an issue.

Developer information

Integrate the library in own application

  1. Add the LibreHardwareMonitorLib NuGet package to your application.
  2. Use the sample code below.

Sample code

Computer computer = new Computer
{
    IsCpuEnabled = true,
    IsGpuEnabled = true,
    IsMemoryEnabled = true,
    IsMotherboardEnabled = true,
    IsControllerEnabled = true,
    IsNetworkEnabled = true,
    IsStorageEnabled = true,
	IsPowerMonitorEnabled = true,
};

computer.Open();
computer.Accept(new UpdateVisitor());

foreach (IHardware hardware in computer.Hardware)
{
    Console.WriteLine("Hardware: {0}", hardware.Name);
    
    foreach (IHardware subhardware in hardware.SubHardware)
    {
        Console.WriteLine("\tSubhardware: {0}", subhardware.Name);
        
        foreach (ISensor sensor in subhardware.Sensors)
            Console.WriteLine("\t\tSensor: {0}, value: {1}", sensor.Name, sensor.Value);
    }

    foreach (ISensor sensor in hardware.Sensors)
        Console.WriteLine("\tSensor: {0}, value: {1}", sensor.Name, sensor.Value);
}

computer.Close();

public class UpdateVisitor : IVisitor
{
    public void VisitComputer(IComputer computer) => computer.Traverse(this);

    public void VisitHardware(IHardware hardware)
    {
        hardware.Update();
        foreach (IHardware subHardware in hardware.SubHardware)
            subHardware.Accept(this);
    }

    public void VisitSensor(ISensor sensor) { }

    public void VisitParameter(IParameter parameter) { }
}

Administrator rights

Some sensors require administrator privileges to access the data. Restart your IDE with admin privileges, or add an app.manifest file to your project with requestedExecutionLevel on requireAdministrator.

Warning

We're not affiliated with librehardwaremonitor.com.
For your safety, please avoid using that site.

Acknowledgements

Many thanks to all contributors listed below, and to JetBrains for providing tooling.

License

LibreHardwareMonitor is free and open source software licensed under MPL 2.0. Some parts of LibreHardwareMonitor are licensed under different terms, see THIRD-PARTY-LICENSES.

S
Description
ReLibreHardwareMonitor, home of the fork of LibreHardwareMonitor
Readme MPL-2.0
14 MiB
v0.1.0
Latest
2026-06-12 17:05:48 +00:00
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