Mailivery - Reach the Inbox, not the spam folder.
Publicate - Build Beautiful Emails. Export and Send Anywhere.
Sidemail - The simplest way to send transactional emails. Sidemail makes sending transactional emails trivial, it's perfect for side projects, MVPs or the next big thing.
Medium Newsletters - A new way to connect with readers
Postal - Open source mail delivery platform, alternative to Mailgun or Sendgrid
Campaign Editor by Moosend - Drag & drop editor to create beautiful emails