TwitterFX

TwitterFX is a free, open source Twitter client built in the JavaFX language.

It features include:

• Single click installation
• View your friends timeline
  

  Click the image to install TwitterFX

• View the Public timeline
• View your followers and friends
• Send and receive direct messages
• Favorite and unfavorite tweets
• Clickable links
• TinyURL integration for url length reduction
• TwitPic integration, for image uploads
• Send and receive replies
• Block, follow and unfollow tweeters
• Filter tweets by friend
• Variable tweet retrieval frequency
• Popup desktop notification

TwitterFX is currently on hiatus until it can be updated to JavaFX 2.0.  If you have ideas of what you want implemented in a Twitter client then message @twitt3rfx on Twitter