Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!
Kindful - Nonprofit donor database + fundraising tools all in one
Sheep - Membership and events for SMEs and nonprofits
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps
DbFace - DbFace is an online database application & report building tool.