Flocknote - Flocknote helps super duper churches with their members.
CiviCRM - A Constituent relationship management for the Civic Sector
Rock RMS - Rock RMS is a community supported open-source Church Management System that provides innovative features to churches of all sizes.
Odoo CRM - Open Source CRM
ChurchSuite - ChurchSuite is a cloud hosted, web-based church management system, ideal church database software for churches.
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.