ActiveCampaign is the best all-in-one solution to automate your business. It’s packed with features that make everyday life easier, more entertaining, and more productive.
AWeber is a marketing platform that allows you to grow your business with visually stunning emails for free.
GetResponse offers a variety of services to suit your needs. They have an online platform for email marketing software, landing page creator, and webinars hosting among other things
ConvertKit is a full-featured email service provider. It offers automation and other features to help marketers bring in more subscribers, including customizable signup forms and landing pages