Open-Source Observability · LibreHardwareMonitor

LibreHardwareMonitor

LibreHardwareMonitor is a free, open-source Windows application and .NET library that reads real-time hardware metrics—CPU/GPU temperature, fan speeds, voltages, clock speeds, and storage health. It supports Intel, AMD, NVIDIA, and other major manufacturers, and can be integrated into custom applications via NuGet.

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Source: GitHub — github.com/LibreHardwareMonitor/LibreHardwareMonitor

8.6k

GitHub stars

960

Forks

Primary language

MPL-2.0

License (OSI-approved)

Key facts

Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.

Field	Value
Repository	LibreHardwareMonitor/LibreHardwareMonitor
Owner	LibreHardwareMonitor
Primary language	C#
License	MPL-2.0 — OSI-approved
Stars	8.6k
Forks	960
Open issues	499
Latest release	v0.9.6 (2026-02-14)
Last updated	2026-07-01
Source	https://github.com/LibreHardwareMonitor/LibreHardwareMonitor

What LibreHardwareMonitor is

A C# project targeting .NET Framework 4.7.2 through .NET 10.0 that exposes hardware sensor data through a visitor-pattern API. The core library (LibreHardwareMonitorLib) requires administrator privileges for privileged sensor access and provides granular hardware component enumeration and real-time polling.

Quickstart

Get the LibreHardwareMonitor source

Clone the repository and explore it locally.

terminalbash

1git clone https://github.com/LibreHardwareMonitor/LibreHardwareMonitor.git2cd LibreHardwareMonitor3# follow the project's README for install & configuration

Need it deployed, integrated, or customized instead? DEV.co ships production installs.

Best use cases

System Monitoring Dashboards

Embed LibreHardwareMonitorLib in custom Windows desktop or web-based monitoring tools to display real-time thermal and electrical metrics for diagnostics, alerting, and performance tuning.

Hardware Validation & Testing

Use the library in automated test harnesses to validate CPU/GPU thermal behavior, fan curve calibration, and power delivery stability across different motherboard and component configurations.

Standalone System Monitoring

Deploy the Windows Forms application directly for lightweight, zero-dependency hardware telemetry on workstations, data centers, or gaming systems without third-party agent overhead.

Implementation considerations

Administrator privileges required for most sensor access; design elevation workflow or install as service for production deployments.
Active maintenance (v0.9.6 released Feb 2026, latest push Jul 2026); monitor release notes for hardware support additions or breaking API changes across .NET versions.
499 open issues indicate ongoing backlog; test on target motherboard/GPU models before committing to production integration.
Visitor pattern API requires custom traversal logic; plan for learning curve if integrating into existing monitoring frameworks.
Multiple .NET target versions (.NET Framework 4.7.2 through .NET 10.0) supported; ensure project dependency alignment to avoid runtime conflicts.

When to avoid it — and what to weigh

Non-Windows Platforms — Project targets Windows only. No official macOS, Linux, or cross-platform builds are documented. Not suitable for heterogeneous infrastructure.
High-Volume Cloud Telemetry — Designed for local system observation, not cloud-native metrics pipelines. Lacks native integrations with Prometheus, Grafana, or major observability platforms.
Proprietary or Exotic Hardware — Supports major vendors (Intel, AMD, NVIDIA) but may not work reliably on niche embedded boards, custom ASICs, or OEM-specific hardware variants. Verify motherboard compatibility.
Real-Time or Ultra-Low Latency Requirements — Polling-based architecture. Not designed for sub-millisecond latency telemetry or hard real-time control loops.

License & commercial use

Mozilla Public License 2.0 (MPL-2.0). Permissive copyleft: source modifications must be disclosed, but closed-source applications can link and redistribute unmodified binaries. Some third-party components under different licenses (see THIRD-PARTY-NOTICES.txt).

MPL-2.0 permits commercial use, distribution, and private modification of the library and application. However, any source code changes to LibreHardwareMonitor itself must be made available. Bundling unmodified binaries in commercial products is allowed. Recommend legal review of THIRD-PARTY-NOTICES.txt for transitive license obligations.

DEV.co evaluation signals

Editorial assessment — not user reviews. Directional, with an explicit confidence level.

Signal	Assessment
Maintenance	Active
Documentation	Adequate
License clarity	Clear
Deployment complexity	Low
DEV.co fit	Good
Assessment confidence	High

Security considerations

Requires administrator privileges to read sensitive hardware state; typical for system monitoring tools. No explicit security audit, CVE history, or threat model documentation provided. Running under elevated context in production should follow least-privilege principles. Validate any custom modifications before production deployment. Third-party library dependencies (see THIRD-PARTY-NOTICES.txt) should be audited for known vulnerabilities.

Alternatives to consider

HWiNFO

Commercial desktop application with wider hardware support and remote monitoring; lacks open-source extensibility and programmatic API integration.

Open Hardware Monitor (predecessor)

Earlier open-source project with similar scope; LibreHardwareMonitor is a community fork with newer .NET support and ongoing maintenance.

AIDA64

Enterprise system audit tool with cross-platform support and cloud integration; significantly more expensive and closed-source; overkill for simple monitoring.

Software development agency

Build on LibreHardwareMonitor with DEV.co software developers

Evaluate LibreHardwareMonitor for your monitoring dashboard or system validation tool. Verify motherboard compatibility, plan for admin privileges, and review the MPL-2.0 license for your use case. Our team can help assess fit and guide integration into your C#/.NET stack.

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LibreHardwareMonitor FAQ

Can I run LibreHardwareMonitor on Linux or macOS?

No. Project targets Windows only. Consider HWiNFO or vendor-specific tools for other platforms.

Do I need to restart my application if hardware changes?

Yes, hardware detection occurs at Computer.Open(). Dynamic hardware hot-swap not supported; restart monitoring session to detect new devices.

Can I use LibreHardwareMonitor in a commercial product?

Yes, under MPL-2.0: unmodified binaries can be distributed; any source changes must be disclosed. Audit THIRD-PARTY-NOTICES.txt for transitive obligations. Recommend legal review.

What .NET versions are supported?

.NET Framework 4.7.2, .NET Standard 2.0, and .NET 8.0–10.0 for the library. Choose based on your target platform and deprecation policy.

Work with a software development agency

Adopting LibreHardwareMonitor is usually one piece of a larger software development effort. As a software development agency, DEV.co provides software development services and web development expertise — pairing senior software developers and web developers with your team to design, build, and operate open-source observability software in production.

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