MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
MailKitchen - Mailkitchen is an Email Marketing platform for creating Newsletters and Bulk emails.
Revue - The easiest way to create and send a curated newsletter
phpList - phpList is an email and newsletter marketing tool.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES