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OpenHardwareMonitor is a free and open source hardware monitoring application designed primarily for personal computers. It provides real-time insights into key system metrics such as temperatures, fan speeds, voltages, load percentages, and clock speeds by reading directly from sensors embedded in CPUs, GPUs, motherboards, and storage devices. The tool supports a wide range of sensor hardware found on modern systems, including Intel and AMD processors, NVIDIA and AMD graphics cards, SMART temperature sensors on storage drives, and many motherboard monitoring chips. Users can view monitored data directly within the application, as customizable desktop gadgets, or through a system tray interface, making it easy to keep an eye on system health at a glance. OpenHardwareMonitor runs without the need for a traditional installation (it can be run portably) and on systems configured with the appropriate runtime (e.g., .NET or Mono).
Features
- Real-time monitoring of temperatures, voltages, fan speeds, load, and clock speeds across system hardware
- Sensor support for CPUs, GPUs, motherboards, drives, power supplies, network adapters, and batteries
- Customizable display options including full window, system tray icons, and desktop gadget views
- Portable operation — runs without installation and maintains no persistent footprint by default
- Sensor data can be accessed programmatically via standard interfaces for use in scripts or other tools
- Lightweight open source architecture allowing community review and contribution
Project Samples
