The actual developer of this free Mac application is Omid Pajuhideh. The application lies within System Tools, more precisely General. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Temperox monitors easy and simple the temperature of your PowerBook/iBook. It monitors the temperature of CPU Bottomside, CPU Intrepid Bottomside, Power Supply Bottomside and the Battery. Additional Temperox monitors the speed of rear left fan, rear right fan and the CPU Core Voltage.
Note:There are some PowerBooks/iBooks without any sensor, so it is not possible to monitor the temperature of those machines.