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.

OneCause - Fundraising auction & event management software

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

Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.

Qgiv - Qgiv offers web based fundraising solutions for nonprofit organizations.