Cold Email Hacks - Proven cold email templates and tactics for B2B startups
Templates by Email Monster - Hundreds of free, responsive email templates. Pick and edit.
Cold Email Generator - Quickly create a 5-touchpoint email campaign
Really Good Emails - A large collection of good product email design.
Cold Email Analyzer by Mailshake - Real-time analysis of email subject lines and copy
Good Email Copy - Email copy from great companies.