MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Drip - Turn more website visitors into customers with crash course
GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
Cheetah Messaging - Cheetah Messaging is the platform that provides the features to message across the various channels and empowers your brand by delivering the value-added content in the messages.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
ReachMail - ReachMail offers software, services & tools for email and newsletter marketing.