No specific info about version 4.1. Please visit the main page of TweetAdder on Mac Informer.
Find RSS feeds and read the latest articles from your favorite websites.
twhirl is a compact Twitter client based on Adobe AIR.
Spaz is a microblogging client for Twitter, Identi.ca and StatusNet.
Pineapple News is a USENET newsreader for Mac OS X.
MSNBC News - This is a news update from msnbc news. MSNBC