Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
Visual Marketing Automation - An insanely fast automation builder by ConvertKit
SaaS Email Templates - Responsive HTML email templates for SaaS startups
Plainflow - Behavior-based customer journeys for your SaaS
Email Template Generator - Email templates for your important relationships
Visual Funnels Maker from Customerly - Create powerful marketing behavioral funnels