Coolbook is described as 'CoolBook is a tool for the MacBook, MacBook Air and MacBook Pro computers. It lets you monitor the frequency, voltage and temperature of the CoreDuo / Core2Duo CPU'. There are more than 10 alternatives to Coolbook for a variety of platforms, including Windows, Linux, Android, Mac and iPhone. The best alternative is Open Hardware Monitor, which is both free and Open Source. Other great apps like Coolbook are AIDA64 (Paid), SpeedFan (Free), HWMonitor (Freemium) and Core Temp (Free).
- 21 alternatives
- SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers and controls the fans if possible. View 43 alternatives to SpeedFan
The developer promised new versions, but the program seems to be no longer updated. Latest version, 4.52, released in June 2016, can be still downloaded from the official website.
- Free • Proprietary