Temperature Monitor is described as 'Application to read out all accessible temperature sensors in Macintosh computers. The program can visualize the history graphs of the readings, display measured values in a large variety of fashions, or announce readings by speech output' and is an app in the system & hardware category. There are more than 10 alternatives to Temperature Monitor for a variety of platforms, including Windows, Linux, Mac, Flathub and .NET Framework apps. The best Temperature Monitor alternative is Libre Hardware Monitor, which is both free and Open Source. Other great apps like Temperature Monitor are Open Hardware Monitor, Sidebar Diagnostics, HWMonitor and Core Temp.