Alternatives to Microsoft Exchange Server for Linux with any license

Platforms

Desktop

Web / Online

Show 15 less popular platforms
  • G Suite icon

    G Suite

    G Suite (formerly Google Apps for Work) is Google's encompassing selection of cloud apps for business, including customizable products under custom domain names. It...

    Commercial Mac OS X Windows Linux Web Chrome OS

  • Kopano icon

    Kopano

    Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface. Kopano helps you work smarter with people within and outside...

    Commercial Mac OS X Windows Linux Web Android ... iPhone Android Tablet Windows Phone iPad Microsoft Office Outlook S/MIME

    • Kopano has scalable backend and can do full MAPI server and clientside. The Webapp and Deskapp has intuitive and modern UI/UX. hn1Jan 2017 • 1 agrees and 0 disagrees Disagree   Agree
    • I tried a lot of MS alternatives, OX, Zimbra, Zentyal, but what fits most with Outlook Sync was the new Kopano, it's more flexible. You can use the web app or desktop app too. Guest • Jan 2017 • 1 agrees and 1 disagrees Disagree   Agree
    • Scalable, open source with a great UX and it has all the features I need bobspFeb 2017 Disagree   Agree
    • Stable and cheap backend, flexible frontend support, open source, in full control of your data marcskiFeb 2017 Disagree   Agree
    • OpenSource, better to maintain, "not Microsoft" Guest • Jan 2017 • 0 agrees and 1 disagrees Disagree   Agree
  • Zentyal icon

    Zentyal

    Zentyal is a native Microsoft Active Directory® implementation on Linux incorporating all the network services required in a small and medium business environment:...

    Free Open Source Linux

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  • SOGo icon

    SOGo

    SOGo is groupware server with a focus on scalability and open standards. SOGo provides a rich AJAX-based Web interface and supports multiple native clients through...

    Free Open Source Linux Web Thunderbird Cloudron

  • iRedMail icon

    iRedMail

    A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64...

    Free Open Source Linux BSD Self-Hosted

    No features added Add a feature
  • Zarafa icon

    Zarafa

    Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and...

    Commercial Mac OS X Windows Linux Web

  • Axigen icon

    Axigen

    Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding...

    Commercial Mac OS X Windows Linux BSD Self-Hosted ... Microsoft Office Outlook

    • Axigen is so much easier to use, it has the on-premise solution, and has unbeatable prices! MenoetiusJun 2017 Disagree   Agree
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  • Citadel

    Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD. In order to modernize the Citadel...

    Free Open Source Linux Web

  • OpenChange icon

    OpenChange

    OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols. Exchange is a groupware server designed to work...

    Free Open Source Linux

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