Tweetbot for Twitter

Tweetbot for Twitter screenshots

Tweetbot is an award-winning, native Twitter client for the Mac.
Tweetbot for Twitter 1.3 : Tweetbot for Twitter screenshot

Alternative downloads

Echofon for Twitter
1.9
FREE
Echofon is an easy to use, super-fast Twitter app for the iPhone and iPod Touch.
Tweeten
5.0.5
FREE
Provides a column-based interface for your Twitter account.
Twitter DJ
1.5
FREE
Latest brainwave from Richie Hawtin.