WEDO Charity Auctions - WEDO Charity Auctions offers charity auction technology, delivering real-time bidding updates to help nonprofits stay engaged & raise money.
Perfect Channel Auction - Auction
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.
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.
Webid - WeBid is an open-source script to get an auction site up and away.