1. MailChimp is the best way to design, send, and share email newsletters.

  2. Email marketing software built for designers and their clients to run successful email campaigns.

  3. PowerInbox is an email platform that enables users to run applications for Facebook, Twitter and Groupon from their inbox.

  4. All-in-one email service provider that provides maximum insight and deliverability results for both marketing and transactional emails.

  5. Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.

  6. Zoho Campaigns is an email marketing tool with CRM & social media integration to help you create, send and track effective email campaigns.

  7. Elastic Email is an all-in-one email delivery platform for both marketing and transactional email.

  8. litmus tests and tracks your email campaigns, so you can always put your best design forward.

  9. eDataSource offers competitive and inbox deliverability intelligence and email design visualization tools.

  10. MailUp is an email and SMS marketing platform. Campaigns, marketing automation, transactional APIs: a complete system. v9 just released.

  11. Stripo is an online drag-n-drop and HTML email editor to design responsive email templates fast without any HTML skills.

  12. Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.