GiveSmart - GiveSmart offers mobile bidding and event management for charity fundraisers .
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
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.
Kindful - Nonprofit donor database + fundraising tools all in one
OneCause - Fundraising auction & event management software
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps