ActBlue - ActBlue provides fundraising technology to the nonprofits.
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
LenderKit - LenderKit is an advanced level crowdfunding solution that allows you to create and run your online investment business quickly.
Kindful - Nonprofit donor database + fundraising tools all in one
Fundra - Fundra is a simple yet powerful fundraising platform that assists all sizes of nonprofit organizations in building trust with donors to increase donations.
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps