Mautic is an open marketing software platform offering a great level of integration. It also offers a deep audience intelligence, enabling to make more meaningful customer connections.
Mautic is the first open-source Marketing automation tool.
From the Official website:
Mautic provides detailed contact tracking along with powerful contact nurturing tools to help you organize your marketing campaigns. Mautic automates the process of finding and nurturing contacts through landing pages and forms, sending email, text messages, web notifications, tracking social media, and integrating with your CRM.