SaaS Email Templates - Responsive HTML email templates for SaaS startups
Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
Pistachio Email Templates - Delicious newsletter templates built for automation
MJML - The open source framework for responsive emails
Stamplia - High converting and beautifully designed email templates
Stripo - Stripo is an all-in-one email design platform. We enable our clients to build emails of any complexity, including interactive AMP emails, really fast and easy.