Growl is a notification system and pop-up notification implementation for Mac OS X operating systems. Though it isn’t part of the OS, other applications can use Growl to display small notifications about events which may be important to the user. In fact, many third-party apps install Growl without asking user’s permission, and that may explain why some day you unexpectedly find Growl appear on your system. Anyway, if you don’t need Growl anymore for personal reasons, do you really know how to uninstall it properly? This post details two methods to uninstall Growl effectively. Continue reading to learn more about app removal on Mac.