HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
BiggerCake - The data tool that Kickstarter deserves
Email Marketing: A Beginner's Guide - Master email marketing with these 3 short ebooks from Drip.
Campaign Monitor Insights - Actionable analytics for email marketing and automation
Email Marketing Academy from MailerLite - Learning platform for email marketing expert certification
Snov.io - More leads. More sales. More revenue.