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.

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

Online Auction Platform - Online Auction Platform allows to own branded online auction website where users can have control over data and bidders.

Kindful - Nonprofit donor database + fundraising tools all in one

GalaBid - GalaBid designs an auction in minutes that guests can access from a smartphone, computer, or tablet.

Classy - Expressive, flexible, and powerful stylesheets for native iOS apps