ImageJ - and Other Health Care
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
Fiji - Fiji: A batteries-included distribution of ImageJ.
Kindful - Nonprofit donor database + fundraising tools all in one
Image Pro - Used by researchers worldwide, Image-Pro Plus image processing software makes it easy to acquire images, count, measure and classify objects, and automate work.
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps