Templates by EmailOctopus is a series of free, open-source, responsive email templates which can be used in your next project.
Email Monster is an email editor to build beautiful, responsive emails quickly and easily. Hundreds of free templates are available with a powerful built-in email editor to quickly edit and download your template.
Really Good Emails (RGE for short) aims to be the best showcase of email design and resources on the web. This 3,300+ handpicked collection is powered by community submissions and our own obsessive drive to find the best email examples out there.