Software Alternatives & Reviews


Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

Zimbra Alternatives

The best Zimbra alternatives based on verified products, community votes, reviews and other factors.
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  1. 78

    Web-based IMAP email client

  2. 92

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

  3. Featured

    The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

    Visit website paid $19.5 / Monthly (Pro)

  4. 73

    Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

  5. 54

    An open source mailserver suite.

  6. 52

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

  7. 38

    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

  8. 40

    Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

  9. 39

    Google's encompassing suite of cloud-based business apps.

  10. 37

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

  11. 36

    Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

  12. 47

    hMailServer is a free e-mail server for Microsoft Windows.

  13. 31

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

  14. 27

    RainLoop is a web based email client.

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Zimbra Reviews

External sources with reviews and comparisons of Zimbra

Alternative to Zimbra - atmail versus Zimbra - email for telcos
If you’re tired of Zimbra email, talk to us instead. We have more than 20 years of global email expertise and power 170 million mailboxes worldwide. We can be trusted to keep your platform secure, stable, scalable and private. Our modern, white label, multitenant and monetisable solutions are available both on-premises and in...
Overview of 5 Best Microsoft Exchange Server Alternatives
If you are an enterprise-level company that is looking for a solution based on open-source technologies, then Zimbra might be what you are looking for. As per the team behind Zimbra, this collaboration platform encompasses multiple open source projects under one supported and certified open-source collaboration application...
Read all Zimbra reviews →

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Author of Zimbra's details: | Publisher: SaaSHub
Categories: Email, SMTP Server, Calendar


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