HubSpot's free email marketing software is easy to use, has an extremely high deliverability rate, plus all the bells and whistles you'd expect to see within an ESP.
Mailchimp is one of the most famous email marketing tools in the world and has earned the attention of many companies around the world for its rich feature set, powerful functionality and ease of use. There is even a free email marketing plan for newbies. Mailchimp comes with all the features you need to use email marketing, including tracking, segmentation, autoresponders, and a drag-and-drop email builder.
Sendinblue offers many interesting features to help you manage your marketing. If you want to save time and money by centralizing everything in one place, consider SendinBlue.
An ideal solution for managing transactional and marketing emails with advantages for automation and deliverability.
ActiveCampaign is one of the leading providers of email marketing software that enables users to automate and accelerate their sales campaigns.