What are the best Open Source Email Templates Tools?

MailChimp Email Blueprints, Zurb Ink, mailgen, Mailgun Transactional HTML Email Templates, and Sendwithus Open Source Email Templates are the most popular tools in the category "Open Source Email Templates". "" is the primary reason developers pick MailChimp Email Blueprints over its competitors, while "" is the reason why Zurb Ink was chosen.