CiviCRM
CiviCRM is an open source CRM aimed at non-profit organizations. It is currently used by over 10,800 organizations around the world, including various NGOs, charitable organizations and advocacy groups. This fully customizable software solution lets your organization manage its donor base, interact better with the people that support your cause, create various fundraising campaigns and track their success and a whole lot more. Whether your organization is a small one that operates in just a single local area or you run a non-profit with a global presence, this open source CRM can work for you. With CiviCRM, you get complete documentation that explains how to deploy the application on your own servers, how the various features work and shows you ways to take full advantage of everything that the platform offers. The creators of this CRM have also made a hosted option available, which makes it simpler to deploy for smaller organizations with limited IT resources.