Revue - The easiest way to create and send a curated newsletter
Awesome Mails - Awesome Mails creates beautiful image map emails, featuring an easy to use drag-and-drop editor...
Great Email Copy - A dose of emails from around the web.
Marble Responsive Email Designer - Marble helps you design beautiful and mobile-friendly emails and newsletters.
Really Good Emails - A large collection of good product email design.
Kingmailer - Kingmailer helps you send, receive and route/forward emails.