MJML - The open source framework for responsive emails
Picreel - Recover abandoning visitors and turn them into customers
Foundation for Emails 2 - Create responsive HTML emails that work on any device
Zinputs - Zinputs is a Widget and Content Management platform that enables your Customer give to select any...
HTMLEmail.io - Responsive HTML email templates for startups & developers
SocialProve - SocialProve shows small notifications boosting your website conversion +15% with real-time social...