Perfect Channel Auction - Auction
GiveSmart - GiveSmart offers mobile bidding and event management for charity fundraisers .
Silent Auction Pro - Simple * Affordable * Powerful --- Silent Auction Pro is a multi-user, internet-based fundraising software system providing complete donor and auction management solution for charitable organizations.
Handbid - Generate more revenue and delight your bidders with the Handbid mobile bidding silent auction software with apps for iOS, Android, and the web.
GalaBid - GalaBid designs an auction in minutes that guests can access from a smartphone, computer, or tablet.
Webid - WeBid is an open-source script to get an auction site up and away.