Install
This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/stirling-brandworks/gravity-forms-event-registration-reminders/archive/refs/heads/master.zipNo built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Event Registration Reminders for Gravity Forms

Overview
Gravity Forms add-on for email reminders when using forms for event registration.
Adds an Event Registration Reminders feed to send reminders to anyone who filled out the form. Can also support sending out an automated confirmation email (if enabled).
Notes
Since this plugin uses the wp_mail() function to send emails, this can often cause a large amount of reminders going out at once to fail. We recommend using third-party SMTP or mail handling such as Sendgrid or Mailgun.