Perfect Channel Auction - Auction

GalaBid - GalaBid designs an auction in minutes that guests can access from a smartphone, computer, or tablet.

Qtego - Qtego offers silent auction bidding technology for fundraising events.

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.

Charity Auctions Today - Charity Auctions Today provides online and mobile auctions from home or work to raise for schools and Nonprofits.

Webid - WeBid is an open-source script to get an auction site up and away.