Perfect Channel Auction - Auction
Handbid - Generate more revenue and delight your bidders with the Handbid mobile bidding silent auction software with apps for iOS, Android, and the web.
Qtego - Qtego offers silent auction bidding technology for fundraising events.
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.
Webid - WeBid is an open-source script to get an auction site up and away.