CiviCRM - A Constituent relationship management for the Civic Sector
Planning Center - Find the information you need to follow up with your congregation and gain insight into your church members, all in one place.
Odoo CRM - Open Source CRM
iMIS - iMIS membership & fundraising software from ASI: An upgradeable software solution allowing you...
Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.
Giveffect - Ideal for medium to large nonprofits, Giveffect is an all-in-one nonprofit software that streamlines your entire organizational operations.