Know and track (un)subscription reasons, GDPR compliant
Mass mailing lists that get autopopulated
Add contacts to event and event type
Mail settings in events
Allow registration grouped by quantities
Allows sell registrations with more than one attendee
Share your events via social media
Manage your mailchimp audiences with Odoo
Use the QWeb templating mechanism for emails
Avoids duplicate mailing lists and contacts
Set question templates for events