Some free uninstallers for Windows are Advanced Uninstaller Pro, ZSoft Uninstaller and Revo Uninstaller Freeware. For Mac OSX, some free uninstaller apps are AppCleaner and AppTrap.
Advanced Uninstaller Pro is compatible with Windows XP and subsequent Windows programs. It keeps track of all changes made to a computer during the installation of a new program to ensure that it removes all changes when uninstalling the program. ZSoft Uninstaller is available in multiple languages, including Chinese, Danish, Dutch, French and German. The free version of Revo Uninstaller is compatible with Windows XP and later versions.
When uninstalling an app with AppCleaner on a Mac computer, it searches for all files for the app and allows users to select the files to remove. AppTrap lets users remove associated files of an app when they move this app to the trash.