Dragon Responsive Email Designer - Dragon Email Designer provides an intuitive drag and drop newsletter design tool.
MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Marble Responsive Email Designer - Marble helps you design beautiful and mobile-friendly emails and newsletters.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Kingmailer - Kingmailer helps you send, receive and route/forward emails.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES