Quitter is a Portable Twitter Client that can be used as an Alternate Twitter Client. Providing an alternative method to access Twitter and do your tweets, Quitter is a quiet Twitter Client that doesn't announce itself to the entire cube farm. Quitter allows you to read – post – reply and retweet, organize and read tweets by group, Use URL shorteners like TinyUrl for tweeting, send and receive direct messages and follow or unfollow other users.
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Download here