Hivoe solves the problem of kickstarting conversations with your Twitter followers via DMs. Why? - make friends that will support you - find out what content your audience enjoys - ask for feedback on your products - and a lot more!
StatusTweet - the quickest and easiest way to tweet from your Mac's Menu Bar. With StatusTweet, you can compose and send tweets in just one click, without having to open a web browser or your Twitter app
TweetSnap is an opensource platform that lets you create beautiful images of tweets using an easy-to-use and simple interface. It comes packed with tons of cool features to make you create a unique image.