SendPulse - Maximizing e-mail marketing open rates automatically
MailerLite - Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
Revue - The easiest way to create and send a curated newsletter
Botletter - Botletter enables users to send newsletters on Facebook Messenger.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
phpList - phpList is an email and newsletter marketing tool.