Altru - Altru is a cultural nonprofit management software that allows unlimited user licenses at no extra charge, & can sell tickets from anywhere.
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.
Artsystems - Web-based art management solution for artists and galleries
SchoolAuction.net - SchoolAuction.net is a web-based software to help school auction teams plan, manage and run school fundraising auctions.
ArtVault Pro - With ArtVault Pro you can centralize all the information about your art collection and make it available in a snap.
Charity Auctions Today - Charity Auctions Today provides online and mobile auctions from home or work to raise for schools and Nonprofits.