Web based auction software designed for auction house (ex. ubid.com). Only the administrator can add products. Registered users are allowed only to bid on the products. Very easy to configure. Full ASP source code included.   Code: ASP.NET v1.0 & VB

DNNAuction is an Auction module for the DotNetNuke 4.0 Portal. Features include Standard and Dutch auctions, Proxy Bidding, User Rating, Watch list, Auction Fees Billing, HTML Emails and more.   Code: ASP.NET v2.0 & VB

PPP Auction is an ASP.NET web-based auction software. It has many features similar to large auction sites. Features include Standard and Dutch auctions, Proxy Bidding and more. Uses MS SSQL database. Includes the standard Power Portal Pro modules.   Code: ASP.NET v1.1 & VB