HTMLEmail.io - Responsive HTML email templates for startups & developers
Hacker News Stack - Focus on the really fresh and unread news in Hacker News.
Good Email Copy - Email copy from great companies.
Hacker Newsletter - Best of Hacker News in your inbox every Friday.
Startup Emails - Responsive HTML email templates for startups
Hacker News Front Page Explorer - A database of top ranking Hacker News front page posts