Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.

Octopress - A static blogging framework for hackers, based on Jekyll

DonorPerfect - Nonprofits use DonorPerfect Fundraising Software for their Donor Management, Grant & Gift Tracking, Moves Management, Mass Mailing needs and more.

Rememble - Rememble is a 'washing line' for your digital bits and pieces.

Qgiv - Qgiv offers web based fundraising solutions for nonprofit organizations.

Kindful - Nonprofit donor database + fundraising tools all in one