1. Spike is a content marketing platform that drives content recommendations to your target audience, helping to amplify your message and connect with customers.

  2. GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange).

  3. With the industry’s most agile and scalable ecommerce platform, Demandware enables an ecommerce strategy initiatives that drive growth.

  4. Unibox is an application that aims to completely overhaul your email experience. Unibox resorts your email so that you can group the messages you receive by their sender. Read more about Unibox.

  5. Mailbird is the best email client for Windows 7, 8 and 10

  6. Mailspring is a mail client for Mac, Windows and Linux.

  7. Gaggle Mail is a simple and easy to use email list manager.

  8. Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

  9. Bringing the Gmail & Google Inbox experience to your desktop in a neatly packaged app

  10. A fully fledged, free email server solution, an open source project (GPL v2).

  11. Web-mail with a terabyte of free storage space & spam protection. Yahoo!

  12. The Power Email App for busy professionals, like you.