GetResponse is an all-in-one marketing platform that offers a range of products designed to assist businesses in various aspects of online marketing and customer engagement. 

Moosend is an email marketing and marketing automation platform that offers a range of products and services designed to help businesses effectively engage with their audience and drive results. 

AWeber is an email marketing platform that offers a range of products and services to help businesses and marketers effectively communicate with their audience. 

Brevo is the platform that helps you build customer relationships across email, SMS, chat, and more.