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.

Core Temp is described as 'Compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information' and is a popular system information utility in the system & hardware category. There are more than 50 alternatives to Core Temp for a variety of platforms, including Windows, Mac, Linux, iPhone and Android apps. The best Core Temp alternative is Libre Hardware Monitor, which is both free and Open Source. Other great apps like Core Temp are Open Hardware Monitor, AIDA64, Stats and SpeedFan.
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 Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.




Comprehensive diagnostics utility with support for Windows, Android, iOS, and Tizen, 64-bit CPU, GPU, and memory benchmarking, advanced system stability testing, extensive real-time hardware monitoring, detailed GPU analysis, and export options in HTML, CSV, or XML formats.





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




TrafficMonitor is a network monitoring suspension window software in Windows. It can display the current network speed, CPU and memory usage. It also support the functions of display in the taskbar, change skin and historical traffic statistics.




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…

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




iStat is a series of system monitor apps. It's available in different versions: iStat Menus, iStat for iOS and iStat Server as a companion application to the iStat for iOS app that lets you remotely monitor your computers (free for Windows and Mac).




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.

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

Hot is macOS menu bar application that displays the CPU speed limit due to thermal issues.



Monitors a wide range of system stats in a very simple application.