I found this Growl plugin that forwards all app Growl notifications to Notification Centre https://github.com/Daij-Djan/DDMountainNotifier. It's simply a display style that you can set as default.
It's great as it has the app's icon in the notification and clicking it will open the app, plus it's only a plugin that simply integrates with Growl, that you would have installed already for apps that aren't coded for notification centre yet.
I know there is also Hiss that fowards notifications, but it doesn't show the app's icon and no click to open, also is it's own application, some (including myself) don't like to always increasingly add to our list of login items.
It's great as it has the app's icon in the notification and clicking it will open the app, plus it's only a plugin that simply integrates with Growl, that you would have installed already for apps that aren't coded for notification centre yet.
I know there is also Hiss that fowards notifications, but it doesn't show the app's icon and no click to open, also is it's own application, some (including myself) don't like to always increasingly add to our list of login items.
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