Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
Tribe.so - Tribe is a white-label platform, empowering the new generation of online communities.
Kindful - Nonprofit donor database + fundraising tools all in one
Higher Logic - Private, secure online communities that stimulate conversation and ignite engagement.
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.