Octopress - A static blogging framework for hackers, based on Jekyll
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
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.
WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.