Microsoft Exchange AlternativesTop Mail Servers and other similar apps like Microsoft Exchange

Microsoft Exchange is described as 'Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers' and is a Mail Server in the social & communications category. There are more than 25 alternatives to Microsoft Exchange for a variety of platforms, including Linux, Web-based, Windows, Self-Hosted and Mac apps. The best Microsoft Exchange alternative is Google Workspace. It's not free, so if you're looking for a free alternative, you could try mailcow: dockerized or Kolab. Other great apps like Microsoft Exchange are Kopano, hMail Server, Infomaniak kSuite and Zimbra Collaboration Suite.

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Alternatives list

  1. Google Workspace icon

    Google Workspace

     145 likes
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    Google Workspace delivers a cloud-based suite combining Gmail, Calendar, Meet & Drive to enhance collaboration through tools like Docs and Sheets. Offers secure storage options, custom domain emails, and robust management capabilities with 2FA and 24/7 support.

    53 Google Workspace alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    Google Workspace screenshot 1
     
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    8

    • Some users think Google Workspace is a great Microsoft Exchange alternative, some don't.

    • Google Workspace is the most popular Web-based, Windows, Mac & Linux alternative to Microsoft Exchange.

    • Google Workspace is the most popular commercial alternative to Microsoft Exchange.

    • Google Workspace is Paid and ProprietaryMicrosoft Exchange is also Paid and Proprietary
  2. mailcow: dockerized icon

    mailcow: dockerized

     45 likes
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    mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.

    23 mailcow: dockerized alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Linux
    • Self-Hosted
    mailcow: dockerized screenshot 1
     

    • mailcow: dockerized is the most popular Self-Hosted alternative to Microsoft Exchange.

    • mailcow: dockerized is the most popular Open Source & free alternative to Microsoft Exchange.

    • mailcow: dockerized is Free and Open SourceMicrosoft Exchange is Paid and Proprietary
  4. Kopano icon

    Kopano

     32 likes
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    Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.

    22 Kopano alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Kopano screenshot 1
     
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    6
    25
    Comments about Kopano as an Alternative to Microsoft Exchange
    Top Positive Comment
    Karunamon
    0

    Free and open source, and has most of the things you want from Exchange, including shared calendars.

    Review by a new / low-activity user.
    marcski
    Positive
    0

    Stable and cheap backend, flexible frontend support, open source, in full control of your data

    Review by a new / low-activity user.
    bobsp
    Positive
    0

    Scalable, open source with a great UX and it has all the features I need

    Review by a new / low-activity user.
    Show more comments
    3 of 6 comments
    Microsoft Exchange Icon
    Kopano icon

    • Almost everyone thinks Kopano is a great Microsoft Exchange alternative.

    • Kopano is the most popular SaaS alternative to Microsoft Exchange.

    • Kopano is Paid and ProprietaryMicrosoft Exchange is also Paid and Proprietary
  5. Ad
    Screenshot
    Google Workspace icon
    Google Workspace

    Google Workspace delivers a cloud-based suite combining Gmail, Calendar, Meet & Drive to enhance collaboration through tools like Docs and Sheets. Offers secure storage options, custom domain emails, and robust management cap...

    https://workspace.google.com
    Learn More
  6. Kolab icon

    Kolab

     43 likes
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    Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.

    47 Kolab alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Self-Hosted
     
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    11
  7. hMail Server icon

    hMail Server

     28 likes
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    hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.

    22 hMail Server alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    hMail Server screenshot 1
     
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    19
  8. Infomaniak kSuite icon

    Infomaniak kSuite

     9 likes
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    Suite for secure email, calendaring, file sharing, chat, and online meetings, offering real-time collaboration on docs, GDPR compliance, customizable branding, renewable energy use, advanced user management, and all data hosted in Switzerland.

    77 Infomaniak kSuite alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    Infomaniak kSuite screenshot 1
     

    • Infomaniak kSuite is the most popular Android & iPhone alternative to Microsoft Exchange.

    • Infomaniak kSuite is Free Personal and ProprietaryMicrosoft Exchange is Paid and Proprietary
    • Infomaniak kSuite is Privacy focused and LightweightMicrosoft Exchange is not according to our users
  10. Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

     35 likes
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    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

    45 Zimbra Collaboration Suite alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Zimbra Collaboration Suite screenshot 1
     
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    8
  11. Zentyal icon

    Zentyal

     55 likes
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    Integrates native Active Directory and all essential network services, including domain, mail, gateway, infrastructure, and security roles, for SMBs, offering web-based management, centralized authentication, file server, VPN, and firewall in a single Linux platform.

    26 Zentyal alternatives

    Cost / License

    • Pay once
    • Open Source

    Application type

    Platforms

    • Linux
    Dashboard
     
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    4
    16
    Comments about Zentyal as an Alternative to Microsoft Exchange
    Guest
    Negative
    7

    No Exchange alternative and no support for MS Outlook Client

    Review by a new / low-activity user.
    Guest
    Negative
    0

    Not an Exchange alternative at all. Does basic AD but that is about it. It is more of a gateway server.

    Review by a new / low-activity user.
    Guest
    Negative
    -2

    They do not share any common functionality. Zentyal is an Active Directory substitute, Microsoft Exchange is a groupware E-Mail (enterprise grade) server.

    Review by a new / low-activity user.
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    3 of 4 comments
    Microsoft Exchange Icon
    Zentyal icon

    • Some users think Zentyal is a great Microsoft Exchange alternative, some don't.

    • Zentyal is Paid and Open SourceMicrosoft Exchange is Paid and Proprietary
  12. grommunio icon

    grommunio

     3 likes
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    grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.

    15 grommunio alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    grommunio screenshot 1
     
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    9
    Comments about grommunio as an Alternative to Microsoft Exchange
    Guest
    Positive
    0

    Great Activesync Support POOR and I mean VERY Poor Calendar that has a mind of It's own, setting events or reminders is a NIGHTMARE

    Review by a new / low-activity user.
    norbertlambing
    Positive
    2

    As the first open source solution to offer a full-featured OutlookAnywhere (RPC over HTTP) and MAPI/HTTP implementation, grammm is the alternative to proprietary backends for native interoperability with Microsoft Outlook

    Microsoft Exchange Icon
    grommunio icon

    • Almost everyone thinks grommunio is a great Microsoft Exchange alternative.

    • grommunio is the most popular iPad alternative to Microsoft Exchange.

    • grommunio is Freemium and Open SourceMicrosoft Exchange is Paid and Proprietary
    • grommunio is Privacy focusedMicrosoft Exchange is not according to our users
  13. SOGo icon

    SOGo

     30 likes
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    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 the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.

    61 SOGo alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3
     
  14. Kolab Now icon

    Kolab Now

     42 likes
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    Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

    78 Kolab Now alternatives

    Cost / License

    • Subscription
    • Open Source

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
    • DAVx5
    Kolab Now email
     
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    1
    6
    Comments about Kolab Now as an Alternative to Microsoft Exchange
    Guest
    Positive
    2

    With Microsoft no longer supporting our existing setup, this was a great alternative.

    Review by a new / low-activity user.
    Microsoft Exchange Icon
    Kolab Now icon

    • Some users think Kolab Now is a great Microsoft Exchange alternative, some don't.

    • Kolab Now is Paid and Open SourceMicrosoft Exchange is Paid and Proprietary
    • Kolab Now is Privacy focusedMicrosoft Exchange is not according to our users
  15. Axigen icon

    Axigen

     14 likes
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    Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Microsoft Office Outlook
    • Software as a Service (SaaS)
    Axigen screenshot 1
     
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    1
    Comments about Axigen as an Alternative to Microsoft Exchange
    Menoetius
    Positive
    0

    Axigen is so much easier to use, it has the on-premise solution, and has unbeatable prices!

    Review by a new / low-activity user.
    Microsoft Exchange Icon
    Axigen icon
    • Axigen is Paid and ProprietaryMicrosoft Exchange is also Paid and Proprietary
    • Axigen is CustomizableMicrosoft Exchange is not according to our users
12 of 43 Microsoft Exchange alternatives