WhoInstalled? 1.1.4 (Mac)
Source: Mamoru Matsuoka
If you look inside your System Folder, you will find many files and folders that were installed by other programs. You will also find that it is really hard to tell exactly which installer put them there.In order to make managing your computer system easier, WhoInstalled? helps you by putting the name of the installer into the Info windows of files and folders which have just been installed into System Folder, Control Panels Folder, Extensions Folder and Fonts Folder right after installartion and restarting the computer.