Good Sales Emails - Best sales emails from great companies
HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
Good Email Copy - Email copy from great companies.
Email Marketing: A Beginner's Guide - Master email marketing with these 3 short ebooks from Drip.
Growbots Email Timing Optimizer - Find the perfect time to send your email
Elevatr Email Marketing Automation - Fast and easy email marketing software