Planning Center - Find the information you need to follow up with your congregation and gain insight into your church members, all in one place.
EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
CiviCRM - A Constituent relationship management for the Civic Sector
NetSuite for Nonprofits - NetSuite for Nonprofits is a cloud-based donor management system for your nonprofit or social organization.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.
Odoo CRM - Open Source CRM