Software Alternatives, Accelerators & Startups


Greatmail is an email hosting service provider built for businesses of all sizes.

Greatmail Alternatives

The best Greatmail alternatives based on verified products, community votes, reviews and other factors.
Filter: 8 Open-Source Alternatives Latest update:

  1. 12

    Disposable email address application.

  2. 11

    Horde Groupware is a free, enterprise ready, browser based collaboration suite.

  3. VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Try for free paid Free Trial $4.99 / Monthly (User)

    Try for free
  4. 11

    Mailo is an email client where you can send and receive emails to and from anyone with an email address.

  5. Webmail service. Powered by RainLoop.

  6. Email at its best, new from Basecamp.

    paid Free Trial $99.0 / Annually

  7. Virtual office

  8. MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a...

  9. IONOS, your digital partner for cloud solutions and web hosting, supporting your needs from websites, domains, servers, and more.

  10. Scala Hosting email hosting provides the global audience with business email hosting to enable flexible messaging.

  11. Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

    Open Source

  12. The ultimate email service for personal, professional and business use. Unique Email Addresses

  13. All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.

    Open Source

  14. Send millions of transactional or commercial emails using your own bulk smtp server with 24/7 support at affordable price.

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