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

The best free alternative to SpeedFan is Libre Hardware Monitor, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to SpeedFan and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to SpeedFan are FanControl by Rem0o, Sidebar Diagnostics, MacThrottle and Core Temp.
Libre Hardware Monitor, a fork of Open Hardware Monitor , is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

Fan Control is a focused and highly customizable fan controlling software for Windows. It supports multiple temperature sources in min, max and average configurations, and fan curve functions, including but not limited to, linear, graph, and mix to control a single fan.


Offers at-a-glance hardware monitoring for CPU, RAM, GPU, network, and drives through a customizable sidebar with alerts, hotkey support, multi-DPI compatibility, an integrated clock, themes, and clear graphical statistics on the Windows desktop.




Lightweight macOS tool that tracks thermal pressure and throttling, shows real time CPU temperature and fan speed, provides 10-minute history graphs, statistics for thermal states, and customizable notifications, all without requiring administrator privileges.

Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.

CoreCtrl is a Free and Open Source GNU/Linux application that allows you to control with ease your computer hardware using application profiles.

hwinfo/libhd are used to probe for the hardware present in the system. It can be used to generate a system overview log which can be later used for support.

System utility enabling manual control over fan speeds, real-time monitoring of temperatures and RPM, custom preset creation, support for third-party drives and Windows via Boot Camp, noise reduction features, compatibility with T2 chip models, and multilingual options.



AI Suite 3 is an all-in-one interface that integrates several ASUS utilities and allows you to launch and operate these utilities simultaneously.





Take gaming to the next level with OMEN Gaming Hub, OMEN's dynamic software solution. Optimize your hardware, earn real-life rewards, manage your games, play remotely, and more. Think of it as a rare in-game item that boosts all of your character's stats.




Lm-Sensors is a free and open-source application that provides tools and drivers for monitoring temperatures, voltage, and fans.

Allows you to set the speed depending on the temperature in the form of a graph