Well if you are a twitter-holic like me you would love this one, twhirl is a free desktop application through which you can tweet any time you want at your convenience without having an internet browser opened.There are a lot more things twhirl can do to improve your twitter experience, and it offers various configuration options to adapt to your personal needs.

Some of twhirl’s features:

• runs on both Windows (2000/XP/Vista) and Mac OSX
• connects to multiple Twitter and Friendfeed accounts
• notifications on new tweets
• shorten long URLs (using snurl, twurl or is.gd)
• cross-post updates to Pownce and Jaiku
• post images to TwitPic
• search tweets using TweetScan
• timeline filtering
• localized to English, German, Italian and Spanish
• color schemes
• automatically check for new versions