For those who are addicted to use the famous microblogging web page called Twitter now exist this useful add-on for Firefox to use Twitter without the need of having a tab always opened with the Twitter web page or another application to do that.
TwitKit is a small add-on for Firefox that reserves some space of the web browser so you can use it to write posts to Twitter, see the public timeline, see your user timeline, see a list of your friends and their tweets, see a list of your followers with their tweets, see replies and your account stats.
It also have integrated a url shortener, searching options, words filtering and many other features, the basic for a good twitter client. This add-on is compatible with Firefox 1.5 to 3.6 and you can get it from the official Firefox add-ons web page.
