eBay has announced the results of the eBay Developer Challenge, a competition launched for eBay developers to show off their skills and create innovative applications. The Grand Prize Winner is cell phone bidding application UnWired Buyer, and the First Place Winner is ctxbay which displays contextual eBay ads on websites.

Honorable mentions went to searcher Gumshoo, and monitors AuctionWatch GD and AuctionMonitor.net.