Mail Designer 365 - Discover Mail Designer 365, the easiest way to design mobile-optimized HTML emails, templates and newsletter designs. Your HTML email designer for Mac.
MailChimp Snap - Send simple, photo-based email campaigns from your phone.
Really Good Emails - A large collection of good product email design.
Polymail Sequences - Simple, powerful multi-stage email campaigns
Pico - A stupidly simple and blazing fast, flat file CMS
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!