DonorSnap - DonorSnap is a donor management and fundraising software.
CiviCRM - A Constituent relationship management for the Civic Sector
DonorPerfect - Nonprofits use DonorPerfect Fundraising Software for their Donor Management, Grant & Gift Tracking, Moves Management, Mass Mailing needs and more.
Odoo CRM - Open Source CRM
Planning Center - Find the information you need to follow up with your congregation and gain insight into your church members, all in one place.
Less Annoying CRM - A simple customer relationship manager made just for small businesses. Manage contact info, track leads, and never miss a follow-up.