Marketing Examples - A gallery of real world marketing case studies. Updated every day.
SaaS Email Marketing Handbook - Double Your MRR With Email Marketing
Kickstart Side Hustle Newsletter - Dwarf-size newsletter with viral marketing case studies
HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
Growth.Design Case Studies - Product tips… in a comic book format
Elevatr Email Marketing Automation - Fast and easy email marketing software