Open Hardware Monitor
Open Hardware Monitor is a free, open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer's hardware components. It works on Windows, Linux and macOS.
hardware
monitoring
sensors
temperatures
fan-speeds
Open Hardware Monitor: Free System Monitoring for Windows, Linux, and macOS
Open Hardware Monitor is a free, open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer's hardware components.
What is Open Hardware Monitor?
Open Hardware Monitor is a free, open source program that monitors various hardware components in a computer, including temperature sensors, fan speeds, voltages, load and clock speeds. It works by interfacing with hardware monitoring chips and reading low-level parameters to provide real-time information and statistics.
Some key features of Open Hardware Monitor include:
- Supports modern Intel and AMD CPUs for temperature, clock speed and load monitoring
- Reads GPU temperatures, fan speeds, clock speeds and load for AMD and Nvidia graphics cards
- Monitors hard drive temperatures and SMART attributes
- Displays voltages, fan speeds and temperatures of motherboard components like the Northbridge
- Works on Windows, Linux and macOS systems
- Portable Windows version available, no installation required
- Customizable desktop gadget/widget to display monitoring data
- Expandable through plugins to add support for more hardware
Open Hardware Monitor provides comprehensive insights into PC hardware for purposes like overclocking, performance tuning or just to ensure components stay within safe operating temperatures. The open source nature allows community-driven development and customization possibilities. Overall, it's a lightweight but powerful tool for both average and advanced computer users.
Open Hardware Monitor Features
Features
- Monitors CPU temperature, load, clock speed and power
- Monitors GPU temperature, load, clock speed and power
- Monitors hard drive temperature and load
- Monitors RAM usage
- Monitors fan speeds
- Displays graphs and statistics for monitored values
- Can set thresholds and alerts for monitored values
- Supports AMD and NVIDIA GPUs
- Plugin support to add more hardware sensors
- Portable version available
Pricing
- Open Source
Pros
Free and open source
Simple and easy to use interface
Lightweight resource usage
Supports many hardware components
Available on Windows, Linux and macOS
Cons
Limited customization options
Not all hardware fully supported
Can only view current values, no logging
Official Links
The Best Open Hardware Monitor Alternatives
Top System & Hardware and System Monitoring and other similar apps like Open Hardware Monitor
Here are some alternatives to Open Hardware Monitor:
Suggest an alternative ❐
MSI Afterburner
MSI Afterburner is a free overclocking utility designed for MSI graphics cards. However, it also works with GPUs from other brands. Afterburner allows users to monitor and tweak various hardware parameters to optimize the performance of their graphics card.Some of the key features of MSI Afterburner include:Overvolting and overclocking the...
AIDA64
AIDA64 is a comprehensive diagnostics and benchmarking software for Windows and Android devices. It provides extremely detailed information about the hardware and software of the computer system.Some of the key features of AIDA64 include:Hardware information - Detailed info on CPU, motherboard, RAM, graphics card, storage devices, monitors, printers, network adapters...
GPU-Z
GPU-Z is a lightweight system utility designed to provide detailed information about the graphics card, GPU, and video card installed on your computer. Developed by TechPowerUp, GPU-Z quickly gathers key information and statistics from your GPU to show users everything they need to know about their video card.When launched, GPU-Z...
HWMonitor
HWMonitor is a free system monitoring and diagnostics application developed by CPUID. It allows users to monitor various critical computer hardware components including temperatures, voltages, fan speeds, and more in real-time to diagnose hardware issues or instability.Some key features of HWMonitor include:Comprehensive coverage and support for a wide variety of...
HWiNFO (32/64)
HWiNFO (32/64) is a powerful system information, diagnostics, monitoring, and reporting utility for Windows. It provides detailed information about all hardware components of your computer, including CPU, motherboard, RAM, hard drives, graphics card, bios versions, temperatures, voltages, fan speeds, and more.Some key features of HWiNFO include:Comprehensive hardware analysis and monitoring...
RivaTuner
RivaTuner is a comprehensive utility for tweaking, optimizing and monitoring the performance of NVIDIA and AMD graphics cards. First released in 1999 by Russian programmer Alexey Nicolaychuk (Unwinder), RivaTuner has become one of the most popular tools used by gamers and PC enthusiasts to get the most out of their...
FPS Monitor
FPS Monitor is a small yet powerful utility that allows you to keep track of your game or application's performance by showing the current frames per second (FPS) in real time. It runs minimized in the system tray and overlays a customizable FPS counter on top of fullscreen games and...
Core Temp
Core Temp is a compact yet powerful program designed specifically to monitor CPU temperature for computers running Windows. It works on systems with Intel and AMD processors to provide accurate monitoring of CPU temps.Some key features of Core Temp include:Compact interface with temperature displayed directly on the system tray iconAccurate...
MangoHUD
MangoHUD is an open source on-screen display (OSD) for monitoring FPS, temperatures, CPU/GPU load and other system information while gaming or running graphics intensive applications. It works by hooking into Vulkan, OpenGL and DX9 applications to display an overlay with the relevant performance data and statistics.Some of the key features...
SmcFanControl
smcFanControl is an open source, fan control software designed specifically for Mac computers. It gives users more control over the internal fans to optimize cooling or reduce fan noise.Some key features of smcFanControl include:Real-time graphs showing current and historical fan speeds and temperatures from various sensorsCustom fan speed curves that...
Nvidia ShadowPlay
Nvidia ShadowPlay is a free gameplay recording software developed by Nvidia that utilizes specialized hardware in Nvidia graphics cards to capture and record gameplay footage with minimal performance impact.Some key features of ShadowPlay include:Uses Nvidia GPUs to hardware accelerate video encoding, resulting in very high performance recording with up to...
OMEN Gaming Hub
OMEN Gaming Hub is a software utility developed and offered by HP for its OMEN series gaming computers and laptops. It serves as a central dashboard to optimize, personalize, and control various aspects of an OMEN gaming machine.Some of the key features of OMEN Gaming Hub include:Lighting Control - Customize...
Hardinfo
Hardinfo is an open source system profiler and benchmark tool for Linux systems. It provides detailed information about the hardware components and software environment of the system.Some of the key features of Hardinfo include:Detects information about CPU, memory, PCI devices, USB devices, network interfaces, filesystems, and moreRuns benchmark tests to...
Linpack Xtreme
Linpack Xtreme is a popular benchmarking and stress testing application used to measure a computer's floating point operations per second (FLOPS). It is a port of the original Linpack benchmark program, optimized to fully utilize modern CPUs and test them under intensive workloads.The test runs complex linear algebra calculations using...
AMD Linux OC
AMD Linux OC is an open-source overclocking utility designed specifically for AMD processors on Linux systems. It allows advanced users to adjust their CPU frequencies, voltages, and other parameters to push their chips beyond stock speeds.Some key features of AMD Linux OC include:Intuitive graphical interface for adjusting CPU clocks, voltage,...
Compact Tray Meter
Compact Tray Meter is a lightweight and customizable system monitor that runs minimized in your system tray. It provides an at-a-glance overview of key system resources including CPU usage, memory utilization, disk space, network speeds, and more.Some of the key features of Compact Tray Meter include:Small footprint - Takes up...
CPU-X (by X0rg)
CPU-X is a free system information and diagnostics utility for Windows that provides detailed information about your computer's hardware components. It can identify the CPU, motherboard, RAM modules, graphics card, storage devices, and other components installed in your system.Some of the key features of CPU-X include:Identifying the make, model, specifications,...
CPU Frequency Selector
CPU Frequency Selector is a lightweight yet powerful utility for Windows that gives users more control over their computer's CPU performance. With just a few clicks, you can underclock or overclock your CPU speed to optimize for lowered temperatures and noise, extended battery life, or increased performance.This handy open-source tool...
AgaueEye
AgaueEye is an open-source web analytics platform designed to provide website owners with actionable insights into their website traffic and visitor behavior. Some key features of AgaueEye include:Real-time analytics - See website statistics update in real-time to understand what's happening right now.Customizable dashboards - Create customized dashboards with the metrics...
Count It
Count It is a free tally counter program for Windows. It provides a simple clickable interface with buttons to increment, decrement, and reset a counter. The main use cases for Count It include:Keeping count while doing repetitive tasks like tracking completed items on an assembly line.Tallying scores when playing games...
SAPPHIRE TriXX
SAPPHIRE TriXX is an overclocking and monitoring utility designed specifically for AMD Radeon graphics cards by SAPPHIRE Technology. TriXX allows users to overclock the graphics processor (GPU), GPU voltage, and video memory speeds to optimize gaming performance, benchmark scores, and general compute workloads.Key features of SAPPHIRE TriXX include:Intuitive interface for...
Real Temp
Real Temp is a lightweight yet powerful temperature monitoring software designed specifically for Intel and AMD processors. It measures core temperatures for individual CPU cores, GPUs, HDDs and more in real-time with high accuracy.Some key features of Real Temp include:Monitoring current and peak core temperatures for all CPU and GPU...
Corsair Link
Corsair Link is a software platform developed by Corsair to monitor and control their range of PC cooling components and systems. It works with a wide range of Corsair products including liquid CPU coolers, computer fans, PC cases, power supplies and more.The main purpose of Corsair Link is to give...
Temperature Monitor
Temperature Monitor is a lightweight and easy-to-use application for monitoring the temperature of various hardware components in your computer, such as the CPU, GPU, hard drives, and more.With an intuitive interface that displays real-time graphs and customizable alerts, Temperature Monitor aims to help users prevent overheating issues and maintain optimal...
CoreCtrl
CoreCtrl is an open-source program for Windows that gives users enhanced monitoring and control over their computer's hardware and system resources. It allows real-time tracking of key components like the CPU, GPU, memory, storage, fans, and more through interactive graphs and detailed statistics.Some of the key features of CoreCtrl include:Detailed...
Lm-Sensors
Lm-Sensors is an open-source command line application for monitoring hardware sensors in computers running Linux. It allows you to monitor parameters like temperatures, voltages, fan speeds, and more from sensor chips on computer components like the CPU, motherboard, GPU, and hard drives.Some key features of Lm-Sensors include:Support for common hardware...
Pitikapp
Pitikapp is a cloud-based project management and team collaboration software designed for agile development teams. It provides a variety of tools to help plan, organize, track and report on projects.Key features of Pitikapp include:Kanban boards for visualizing workflows and tracking progressCustom fields and cards to match your team's processRoadmaps and...
GtkStressTesting
GtkStressTesting is an open source automation and load testing tool designed specifically for applications using GTK graphical toolkit. It allows simulating user interactions like clicks, drags, scrolls, and text entries to stress test GTK apps.GtkStressTesting can be used by developers to identify problems in their GTK applications when running under...
GLXOSD
GLXOSD is an open-source, customizable on-screen display (OSD) software for Linux operating systems. It allows users to monitor their system statistics by showing information like CPU usage, memory usage, disk space, network speeds, temperatures, fan speeds, and more in real-time on the desktop screen.Some key features of GLXOSD include:Displays system...
Libre Hardware Monitor
Libre Hardware Monitor is an open source program that enables users to monitor various hardware components of their computer system, including temperature sensors, fan speeds, voltages, and clock speeds. It aims to provide an intuitive and customizable graphical interface to view detailed information about the computer's hardware in real-time.Some key...
Easytune
Easytune is a system utility and overclocking software developed by Gigabyte for use with their branded motherboards. It provides an intuitive graphical interface that allows users to easily monitor and adjust various system parameters to optimize performance or overclock their CPU and memory.Some of the key features of Easytune include:CPU...
MenuBar Stats
MenuBar Stats is a free, open-source menu bar application for Mac that provides real-time system monitoring and resource usage information. It displays stats for CPU, memory, disk, network, battery, sensors, and other system resources in a compact dropdown menu in the menu bar.Some key features of MenuBar Stats:Real-time CPU usage...
Nvtray
Nvtray is a free, open source system tray application for Windows that gives easy access to Nvidia graphics card settings and tools without needing to open the full Nvidia Control Panel. It provides a simple interface to switch between GPU performance modes, enable overclocking, adjust GPU fan speeds, monitor GPU...
RunCat
RunCat is a lightweight software program whose sole function is to display animated images of cartoon cats running across the user's screen. Though entirely whimsical in nature and lacking any practical application, RunCat aims to briefly amuse and delight viewers with its cute graphical antics.Originally created in 1999 by a...
ATI Tray Tools
ATI Tray Tools is a free utility software designed specifically for AMD/ATI graphics cards. It gives users extra customization options and advanced controls that go beyond what the standard graphics drivers provide.Some of the key features of ATI Tray Tools include:GPU overclocking - Easily overclock your AMD GPU for extra...
Fanny
Fanny is a free, open-source 2D animation software for Windows, Mac and Linux. It is designed to provide all the tools necessary for creating high-quality hand-drawn digital animations.Some key features of Fanny include:Onion skinning - See previous and next frames faintly behind the current frame to help with consistency.Layers and...
Sidebar Diagnostics
Sidebar Diagnostics is a free diagnostic and troubleshooting utility designed specifically for the Windows Sidebar. The Windows Sidebar is a panel that displays widgets with information like news feeds, clocks, calendars, and more.Sidebar Diagnostics scans the entire Windows Sidebar environment looking for issues that could cause problems. It checks the...
Argus Monitor
Argus Monitor is a versatile and customizable temperature monitoring and fan control software designed specifically for Windows PCs. Developed by Argus Labs, Argus Monitor gives users complete control over computer fans and system temperatures.Some key features of Argus Monitor include:Real-time monitoring of all system temperatures via desktop gadgets, OSD panel...
Coolbook
Coolbook is a free and open-source ebook and digital publishing software that makes it easy for anyone to create interactive books, magazines, catalogs, presentations and more. With its intuitive drag-and-drop interface, you can quickly build rich media publications with text, images, videos, hyperlinks, animations and more.Some key features of Coolbook...
WinBar
WinBar is a lightweight and customizable application launcher and taskbar replacement designed to enhance productivity on Windows. It provides convenient access to installed programs, common folders, running tasks, and open windows using an intuitive interactive interface.Key features of WinBar include:Application Search and Launch - Start typing to instantly search for...
WattmanGTK
WattmanGTK is an open-source graphical user interface application that allows configuring and tuning AMD Radeon graphics cards on Linux systems. It provides similar functionality to AMD's WattMan technology that is available on Windows.Some of the key features of WattmanGTK include:Adjusting GPU core and memory clock speeds for overclocking or undervoltingChanging...
GOverlay
GOverlay is a lightweight, customizable on-screen display (OSD) overlay app designed specifically for gamers. It allows you to view useful system information like FPS, CPU/GPU usage, RAM usage, etc. in real-time while gaming.Some key features of GOverlay include:Clean, easy-to-use interface with many customization options for colors, fonts, layouts, etc. Displays...
GreenWithEnvy
GreenWithEnvy (GWE) is a free, open source graphical user interface for overclocking Nvidia GPUs on Linux. It allows adjusting clock speeds, fan speeds, voltage settings, and other parameters to optimize gaming performance.Some key features of GreenWithEnvy:Intuitive and user-friendly interface to control all major overclocking parametersSupport for saving multiple overclocking profiles...
Intel® Power Gadget
Intel® Power Gadget is a free software application developed by Intel to monitor power usage and estimate battery life on Intel-based Mac laptops and desktop computers. It enables users to access real-time processor package power information that can help analyze overall system power consumption.Some key features of Intel Power Gadget...
EXPERTool
EXPERTool is an open-source requirements engineering tool developed by Fraunhofer IESE. It supports the entire requirements engineering process from elicitation to validation. Some of the key features of EXPERTool include:Graphical modeling for use cases, activities, sequences, states, goals, contexts, etc.Requirements repositories to store textual requirements along with attributesTraceability to keep...
CPU Thermometer
CPU Thermometer is a free tool for Windows that allows you to monitor your computer's CPU temperature in real-time. It runs minimized in the system tray and provides an easy way to keep an eye on how hot your processors are running.Some key features of CPU Thermometer include:Displays current and...
GPUTool
GPUTool is a free and open source GPU monitoring utility for Windows. It provides a lightweight overlay that displays key statistics about your graphics card, including:GPU usage percentageGPU temperatureGPU fan speedsGPU clock speedsGPU power consumptionGPU voltagesSome key features of GPUTool:Small memory and CPU footprint for minimal system impactSupport for both...
AMD Overdrive Utility
AMD Overdrive Utility is a free overclocking, monitoring, and control software by Advanced Micro Devices (AMD) for their processors and graphics cards. It enables users to overclock AMD CPUs and GPUs to boost computing performance for applications, games, and benchmarks.Key features of AMD Overdrive Utility include:Overclocking AMD Ryzen, Athlon, Phenom,...
AMD System Monitor
AMD System Monitor is a free system monitoring and management utility designed specifically for AMD Ryzen desktop processors. It allows users to monitor their system's performance in real-time with detailed metrics on CPU clock speeds, temperature, voltage, fan speeds, and more.Some key features of AMD System Monitor include:Real-time CPU core...
Motherboard Monitor
Motherboard Monitor is a lightweight, yet powerful utility that allows users to monitor the health and performance of key computer components. Developed as open-source software, it is completely free to download and use.The tool displays important sensor readings from various hardware like the CPU temperature, GPU temperature, fan speeds, and...
FrameView APP
FrameView APP is a versatile mobile photo and video editing application available for iOS and Android devices. With an intuitive interface and powerful editing tools, FrameView makes it simple for anyone to enhance their photos and videos in compelling ways.At the heart of FrameView is its collection of stylish, customizable...
GPU Shark
GPU Shark is a free, lightweight utility for monitoring your graphics card's activity and performance in real-time. Developed by TechPowerUp, it works on all modern NVIDIA and AMD GPUs.The tool provides detailed specs and statistics to help you keep track of your GPU. This includes current and average clock speeds,...
WebTemp
WebTemp is a free and open source web template and site builder software. It makes it easy for anyone, even with no coding skills, to create beautiful, professional-looking websites.With WebTemp, you can choose from a variety of pre-made templates for different industries and purposes, like business, portfolio, blog, resume, and...
