Mailook - Identify & fix your email deliverability issues for free 👀
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
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.
Kingmailer - Kingmailer helps you send, receive and route/forward emails.
Mailivery - Reach the Inbox, not the spam folder.
Marble Responsive Email Designer - Marble helps you design beautiful and mobile-friendly emails and newsletters.