Cold Email Hacks - Proven cold email templates and tactics for B2B startups
Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
Cold Email Analyzer by Mailshake - Real-time analysis of email subject lines and copy
WhoSentWhat - We bring email newsletters from inbox to web
Cold Email Generator - Quickly create a 5-touchpoint email campaign
Really Good Emails - A large collection of good product email design.