If it's just Tweetdeck that's not been working with Growl, user Liz Heckenberg revealed the solution in the following thread:
https://groups.google.com/d/topic/growldiscuss/Ef2P8RxFX8Q/discussion I don't know if you've solved this problem since posting this, but I've > been having the same problem, however I've just noticed that if you hover > over the icon at the top of each column [in Tweetdeck] you'll see an edit > option, click on that and you'll get tick boxes for sounds and pop-ups > ["Alerts"]. I just ticked those and voila! Pop-up and sound notifications > through Growl! > > Liz Finally! On Saturday, February 23, 2013 6:41:33 PM UTC-5, Rob Greene wrote: > > Retina MBP > 10.8.2 > Growl 2.0.1 > > Not receiving notifications. > No notifications appearing in rollup. > Notifications are NOT set to forward to Notification Center. > Not sure how long this has been going on. > > Screenshots of settings included. > -- You received this message because you are subscribed to the Google Groups "Growl Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/growldiscuss. For more options, visit https://groups.google.com/d/optout.
