Twidy App - Tinder for Twitter - Tidy up and declutter your timeline
Curator - The visual notes app, now on iPhone!
Shipstreams - A list of makers shipping live
Ziteboard - Ziteboard is an zoomable online whiteboard that lets team to collaborate in real-time.
Vanilla Timeline for Twitter - Browse Twitter without the some-user-liked tweet clutter.
AuthorBee - Organize Twitter around your interests