Melltoo - Melltoo is an elegant mobile application that helps you to buy and sell your stuff right on your mobile devices.
GarageBuy - GarageBuy provides an easy way to search on eBay.
Geoship - Geoship is an efficient mobile application that provides you all international eBay search information right on your mobile device.
Gixen - Free online service that places bids (similar to eBay) in the closing seconds.
Deals Tracker for eBay PRO - Deals Tracker for eBay PRO is an efficient mobile app that enables you to search eBay for the items you need and browse items that match your requirements.
BayGenie - eBay auction sniping service.