Checkout the finalists here, these are cool applications built around digg API.
I liked Digg Expose and DiggCharts out of the ten.
Digg Expose: This project takes snap(.com) shots of pages from Digg and displays them in a configurable exposÃƒÂ© Ã‚Â© view. Drag the images around, sort them, or change the category. Enjoy. By: Hart Woolery
It’s amazing to look how fast the Upcoming Stories are changing at Digg Expose
DiggCharts: Flex application that generates charts comparing popular stories. Additionally, a graph is generated showing a selected story’s popularity over time. The user view allows viewing a user’s popular submitted stories. By: Ryan Robinson
Image: Digg Charts
Tell me what are your favorites.