Kingmailer - Kingmailer helps you send, receive and route/forward emails.
Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
Flexmail Solution - Professional email marketing with powerful and easy-to-use features
WhoSentWhat - We bring email newsletters from inbox to web
Dragon Responsive Email Designer - Dragon Email Designer provides an intuitive drag and drop newsletter design tool.
Really Good Emails - A large collection of good product email design.