Good Sales Emails - Best sales emails from great companies
Cold Email Hacks - Proven cold email templates and tactics for B2B startups
Good Email Copy - Email copy from great companies.
Cold Email Analyzer by Mailshake - Real-time analysis of email subject lines and copy
Growbots Email Timing Optimizer - Find the perfect time to send your email
Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.