Is there a program to calculate differences in files?

Question

Programming

It is necessary to calculate the differences between the two versions in the project files, is there a program for comparing if there are about two thousand files?

Answer 1

What axis and what does it get at the output?
Sobsno diff
In totalcommander, there seemed to be something from the plug-ins, there is also Active File Compare for Windows or WinDiff there.
UPD. I also used WinMerge under Windows, nimble.