Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
Ecommerce Senders - Live email marketing insights for the top 100 Shopify stores
WhoSentWhat - We bring email newsletters from inbox to web
BiggerCake - The data tool that Kickstarter deserves
Really Good Emails - A large collection of good product email design.
Email Insights - Email Insights - Analytics for Marketers