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.

Perfect Channel Auction - Auction

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

Global Auction Platform - Global Auction Platform (GAP) - the leading web based auction management software solution

SchoolAuction.net - SchoolAuction.net is a web-based software to help school auction teams plan, manage and run school fundraising auctions.

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