MailChimp - MailChimp is the best way to design, send, and share email newsletters.
SendOut - Affordable email marketing for bloggers and influencers
Elastic Email - Elastic Email is an all-in-one email delivery platform for both marketing and transactional email.
Zoho Campaigns - Smart email marketing software that helps you reach your target audiences, engage in a personalized way, and grow your brand presence.
rasa.io - Get more from your email list.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.