Friendbinder brings together your friends from different social networks. It lets you keep track of all your friends in one place, saving you time and lets you post updates and replies.
via pingmicro.com
I've only been using FriendBinder myself for a few hours now, and it's already giving TweetDeck a run for its money on my desktop computers. Of course, the fact that TweetDeck is crashing a lot for me these days may also have something to do with it...
If you'd like to know more about this project, Louis Gray has been following FriendBinder for over a year and Posterous user Svartling has got a one-stop portal for FriendBinder links.