The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Windows
- Mono


The best free System Information alternative to Fan Control is Open Hardware Monitor, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Fan Control and ten of them are free System Information Utilities so hopefully you can find a suitable replacement. Other interesting free System Information Utility alternatives to Fan Control are SpeedFan, Sidebar Diagnostics, HWMonitor and Macs Fan Control.
The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.


SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers and controls the fans if possible.






SidebarDiagnostics - A simple sidebar for Windows desktop that displays hardware diagnostic information.




HWMonitor for Windows® x86/x64 is a hardware monitoring program that reads PC system's main health sensors : voltages, temperatures, powers, currents, fans speed, utilization, clock speeds…

Monitor and control fans on Apple computers with a simple and efficient user interface



Simple UI with rule-based settings.


3C Toolbox is the comprehensive toolbox to save battery, tweak, tune, backup, secure and monitor any Android devices running any ROMs, any kernels.




Real Temp is a temperature monitoring program designed for all Intel single Core, Dual Core, Quad Core and Core i7 processors.

cinnamon-cpufreq-applet - Port of Gnome 3 CPUFreq applet to Cinnamon - with some fixes.

Solution to the cooling fan noise annoyances Thinkpad T4x (T40/T41/T42/T43) notebook series. Allows the user to control fan activity based on the system temperature. Win XP Visual C++ project controls the fan via port IO to the embedded controller.

SysMetrix is a skinnable clock and metering application. Its purpose is to provide system metrics in a variety of interesting, useful, and cool ways. It can monitor and report on the hundreds of statistics


It does not serve the purpose of providing one with a method to dictate their system's fan speeds.