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
NetSuite for Nonprofits - NetSuite for Nonprofits is a cloud-based donor management system for your nonprofit or social organization.
Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.