Alternatives to Microsoft Exchange Server for Linux with any license

  • 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...

    • 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 • 1 agrees and 2 disagrees Disagree   Agree

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

    Kopano 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 Windows Linux Web Chrome OS

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  • Zentyal

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

    • No Exchange alternative and no support for MS Outlook Client Guest • Mar 2018 • 5 agrees and 0 disagrees Disagree   Agree

    Free Open Source Linux

    No features added Add a feature

    Zentyal 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

    iRedMail 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

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  • Axigen

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

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

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

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  • Zarafa

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

    • Discontinued "Last year we released the announcement that Zarafa customers could transition to Kopano. We also announced that Zarafa would not be maintained beyond May 1st, 2017. Most ZCP customers have moved to a Kopano subscription now."

    Commercial Mac Windows Linux Web

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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

    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

    No features added Add a feature

    OpenChange icon

Platforms

Desktop

Web / Online

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