Do you want to use Twitter from your desktop? Do you have multiple Twitter accounts and are tired of signing into each and every one of them to post those valuable marketing / personal tweets? Look no further, a fantastic little desktop application developed by Twitter saves the day ?
TweetDeck makes posting tweets a breeze! (it supports multiple Facebook accounts too). Check out the screenshots:
When Tweeting, you can tweet to multiple accounts at the same time, or just to one: