Church Basics Membership: Powerful and easy to use church management software written in Microsoft Access. Demo version supports up to 25 members. Serving small to large congregations of 1,000 members or more since 2003. Ministry member groups and member roles can be completely customized. You can assign members to a specific group or you can assign each individual member to multiple groups using Member Information. There is no limit on the number of groups or members that can be assigned to a group.