Another pretty exciting tool is Gtalk2Twitter. What this does is that it allows you to post your Google talk statuses to Twitter. Just like Mutuality, Gtalk2Twitter also needs your Twitter credentials in order to use the application. If you want to make a RSS-translation of some twitter users timeline,you can try out Twitter-to-feed. It is a free simple service which represents your twitter timeline like a rss feed. You can also select your timeline or your friends. One of the coolest and impressive tool among the list is Microsites which allows you to build you own site that will represents Twitter’s status updatesof your twitter users list. An example would be like this.
If you have any ideas or want any specific tool to enhance your experience on Twitter, you can contact the folks there to help you develop one.