Mailman
Description: Mailman is an open source mailing list management system. It helps manage email discussion and announcement lists, allowing users to subscribe and unsubscribe, and helping admins moderate and post to the lists.
Type: software
Pricing: Free
Zenbership Membership Software
Description: Zenbership is a cloud-based membership management software that helps organizations manage memberships, take payments, build communities, and automate processes. It provides an all-in-one solution for member engagement, retaining members, and reducing admin work.
Type: software
Pricing: Open Source