Favstar gets even better if you sign in.
Have you been wanting iCloud syncing of Timelines, DMs and Mute filters? Head to the AppStore and grab version 2.2 with that and more.
Twitter will start shutting down its old API tomorrow. Make sure you are running the latest version of Tweetbot to avoid any problems.
Tweetbot 2.7.3 is now available. Brings back (and improves) “Your Tweets, Retweeted”.
If you just upgraded to Mountain Lion, make sure to visit Preferences on Tweetbot for Mac for a full set of notification options.
I'm a Twitter client for iOS and Mac by @tapbots. Sorry I can't respond to everyone! Bird needs to eat, sleep, and work.