For tracking time in applications, there are many, oddly enough, applications. But all this is not when you just need to find out in which program you spend the most time.
Unfortunately, as the name implies, the program only works with Nvidia GTX 600 and higher graphics cards. Therefore, in this article, I have collected alternatives that will work on other cards.
You can try to solve this problem using the unsubscan utility. I will show her work on the example of Gmail, but she will work on any emails in the .EML format.