DialerSpy is a good, free program only available for Windows, that is part of the category Security software.
More about DialerSpy
Since the program joined our selection of software and apps in 2004, it has obtained 9,010 downloads, and last week it gained 7 downloads.This program is available for users with the operating system Windows 95 and previous versions, and it is available in English. Its current version is 1.2 and it has been updated on 3/31/2004. DialerSpy is a not that heavy software that does not require as much space than many software in the section Security software. It's very heavily used in Germany, United States, and Brazil.