Communities make nonprofits what they are. Send out a user-friendly nonprofit membership form to expand your team and get new people involved.Make membership easy. Encourage signups with our selection of 35 customizable forms. A Nonprofit Membership Form Template is a form template designed to streamline the membership process for nonprofit organizations. Paragraph First and Title Clauses - Corporation Name. Enter the name of the corporation at the top of the form to complete the certificate's title. Use any of our online nonprofit form template to call for volunteers, raise funds, accept donations and manage data collection process efficiently.