Growl (US$1.99) is a favorite tool for many of the bloggers at TUAW. For those of you unfamiliar with Growl, it's currently the notification tool of choice for a lot of Mac users. When someone updates a shared Dropbox folder, for instance, or uses my name on the Colloquy IRC client, Growl lets me know by showing a floating window noting which app wants my attention and why. Sounds like Notification Center in Mountain Lion, doesn't it?
Well, the developers of Growl announced yesterday that they'll be coexistin