Drip Scripts - Create automated email sequences in 60 seconds
Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
EmailWay - Collection of the most insightful and informative email newsletters from across a wide spectrum of industries and interests
Polymail Sequences - Simple, powerful multi-stage email campaigns
Really Good Emails - A large collection of good product email design.