TwitMax is a very simple post-only Twitter client for Mac OS X 10.7 by Max Friedrich. By hiding your timeline it is an all-distraction-free tool for your tweeting pleasure. Use it while concentrating on launching a rocket, or for isolating yourself during an Apple event!
TwitMax v1.0 (ZIP, 950 KB), release notes.
Drop me a line via e-mail. You should also follow me and TwitMax on Twitter: @maxfriedrich & @twitmaxapp