Perfect Channel Auction - Auction
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.
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.
501 Auctions - 501 Auctions offers non-profits by running auctions using mobile bidding technology.