Auction123.com is the leading provider of web-based solutions for dealerships of all categories, including Automotive, RV & Camper, Powersports, Motorcycle, Marine, Trailer, Commercial Truck, and Aviation. Our software offers a centralized solution for managing and marketing inventory online, and provides seamless integration between the Dealer Management System (DMS), the dealer's website, eBay Motors, Craigslist, Facebook, and over 400 online marketplaces.