Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!
SaaS Email Templates - Responsive HTML email templates for SaaS startups
Elevatr Email Marketing Automation - Fast and easy email marketing software
Email Template Generator - Email templates for your important relationships
Google Sheets Email Marketing - Email automation and validations directly from Google Sheets