GetResponse
GetResponse is one of the best and most recognized autoresponders. It’s an all-in-one marketing platform that is particularly suited to e-commerce businesses.
In addition to their email marketing tools, they offer their users a simple landing page builder, a built-in CRM, and advanced automation features. For this reason, we rank them pretty favorably.
Their entry plan is reasonably priced, with features such as autoresponders, basic segmentation, and more. Their free forever plan provides users with key marketing features such as a landing page / website builder, signup forms and popups.