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.

SpeedFan is described as 'Program that monitors voltages, fan speeds and temperatures in computers and controls the fans if possible' and is a very popular system information utility in the system & hardware category. There are more than 25 alternatives to SpeedFan for a variety of platforms, including Windows, Mac, Linux, Flathub and Flatpak apps. The best SpeedFan alternative is Libre Hardware Monitor, which is both free and Open Source. Other great apps like SpeedFan are FanControl by Rem0o, iStat Menus, Sidebar Diagnostics and Argus Monitor.
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.


Advanced Mac utility with menubar monitoring for CPU, GPU, memory, disks, network, and sensors, including fan control, S.M.A.R.T status, Bluetooth battery tracking, weather, notifications, and deep customization. Combines multiple stats in a single view while prioritizing privacy.




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.




Monitoring temperatures and status of system components such as CPU, GPU and hard disk drive, fan speeds




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.

Monitor and manage all internal Mac temperatures, enhancing longevity by ensuring components remain cool. Supports auto/manual fan speed adjustments and offers comprehensive diagnostics with local or email alerts. Secure and compatible with Macs from 2008 onward.




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.




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