[caiusdurling]

FWIW growl doesn't install itself, applications that use it are _supposed_ to offer to install growl for you, but there's been a few that don't and just force it on you.

The growl devs really really hate those applications - http://growl.info/thirdpartyinstallations.php has more info.

[bbrtyth]

The third party applications are using the Growl framework, yes? Did they write the extra code to install Growl? If so, I am sorry. If, as I suspect, they did not, why does the Growl framework not ask the user when that method is invoked?