MJML leverages high level components to abstract the complexity of responsive email. It embeds all of the hacks needed to make emails responsive everywhere, from Outlook 2003 to Inbox by Gmail: conditional comments, media queries and fallbacks. Based on a semantic syntax, it’s very easy to learn, use and maintain.
Really Good Emails (RGE for short) aims to be the best showcase of email design and resources on the web. This 3,300+ handpicked collection is powered by community submissions and our own obsessive drive to find the best email examples out there.
MailDeveloper is an advanced editor for responsive HTML emails.