Here is what a member page of a non-profit would look like in ERPNext:
Manager Members, Donors, Voluteers and More
This is a centralized system, which maintains and updates all the activities related to an Organization.
This will track all activity related to Memberships, Chapters, Volunteer Management, Donor Management, Event and Grant etc.
Demonstration of ERPNext Non-Profit Domain
Check the following video to educate yourself on each feature in the non-profit module.