Content Marketing Stack - A curated directory of content marketing resources
HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
Ariyh - 3 min practical marketing tips based on research
Email Marketing: A Beginner's Guide - Master email marketing with these 3 short ebooks from Drip.
Marketing Over Coffee - Discover podcasts that can help you become a better marketer
Email Marketing Academy from MailerLite - Learning platform for email marketing expert certification