Mautic provides free and open source marketing automation software available to everyone. Free email marketing and lead management software..
AutomatorWP – Mautic add-on adds new actions to let you connect any of the WordPress plugins supported by AutomatorWP with Mautic.
You will be able to add or remove contacts, add or remove them from an companies or segments automatically after a new purchase is made in WooCommerce, a user joins a BuddyBoss group, even when a GamiPress achievement has been unlocked.
First, you need to connect AutomatorWP with Mautic through the add-on settings as explained here. After setup this connection, you are able to create automations using the Mailchimp add-on actions.
Also, you can check the automations samples page where you can see some samples of the possibilities of this add-on.