Description: CiviCRM is open source customer relationship management (CRM) software designed for non-profit and civic organizations. It helps manage contacts, track donations, organize events, send emails, manage memberships, and more in an integrated system.
Type: software
Pricing: Open Source
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