Microsoft Exchange Alternatives

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 Infomaniak kSuite, Zentyal, SOGo and Zimbra Collaboration Suite.

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Alternatives
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Alternatives list

  1. Kolab Now icon

    Kolab Now

     43 likes

    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.

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    • DAVx5
    • CH flagSwitzerland
    Kolab Now email
    Good alternative?
     
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    1
  2. SmarterMail Mail Server icon

    SmarterMail Mail Server

     4 likes

    SmarterMail is the only other email server on the market with native support for MAPI, the protocol that powers Exchange and Outlook. That means anything you can do on Exchange you can do with SmarterMail: no plug-ins and no additional software required.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    • Linux
    • Docker
    • US flagUnited States
    Audio and video conferencing for your team. Includes screen sharing, unlimited chat attendees, file sharing with previews, public or private conferences, and much more.
    Good alternative?
     
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    1
  4. LimitPixel icon

    LimitPixel

     2 likes

    A privacy-first, all-in-one ecosystem that replaces Google Workspace and Creative Cloud. Features encrypted email, cloud storage, and docs, alongside a browser-based 3D animation engine and AI assistant. Your data stays yours.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • US flagUnited States
    LimitPixel screenshot 1
    Good alternative?
     
  5. Ad
    Screenshot
    Infomaniak kSuite icon
    Infomaniak kSuite

    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 i...

    https://www.infomaniak.com
    Learn More
  6. C

    Citadel

     8 likes

    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 platform for the Internet, the Citadel/UX developers added functionality such as shared calendars, instant...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    Good alternative?
     
  7. iRedMail icon

    iRedMail

     20 likes

    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 support.

    Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.

    Works on both no.

    68 iRedMail alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Self-Hosted
    Main components and working process
    Good alternative?
     
  9. Blue-Mind icon

    Blue-Mind

     10 likes

    Blue Mind is a complete solution of company messaging, calendars and collaborative work. It aims to enable you to work daily with comprehensive, useful, efficient and effective tools.

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Linux
    • FR flagFrance
    • European Union flagEU
    Webmail
    Good alternative?
     
  10. MDaemon Messaging Server icon

    MDaemon Messaging Server

     17 likes

    Low cost, easy to use Email Server software for virtual, on-premise, or hosted deployments for companies that want control of their email. Integrated web-mail with doc sharing, Drop Box integration, client and server side encryption.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    • GB flagUnited Kingdom
    MDaemon's web-based email
    Good alternative?
     
  11. OpenChange icon

    OpenChange

     9 likes

    OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    Good alternative?
     
  12. CrossBox icon

    CrossBox

     1 like

    Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • BA flagBosnia & Herzegovina
    View Mailbox (Dark mode)
    Good alternative?
     
  13. EGroupware icon

    EGroupware

     9 likes

    Web-based team collaboration suite combining email client, calendar, contact and task tools, CRM, project and file management, file sharing, trouble tickets, Rocket.Chat chat, and Collabora online editing. Offers open source, self-hosted, and SaaS options.

    Cost / License

    Application type

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • DE flagGermany
    • European Union flagEU
    EGroupware on the desktop --- EGroupware offers with the modules - E-mail - Calendar - Address book - InfoLog (tasks, notes, ...) - File manager - Ticket system - Project Manager - Timesheet - Collabora Online Office - Rocket.Chat an entire office in the browser.
    Good alternative?
     
  14. Zarafa icon

    Zarafa

     13 likes

    Open Source Collaboration, providing integration with your existing Linux mailserver, native mobile phone support, Outlook "Look & Feel" webaccess and stable Outlook sharing (100% MAPI).

    Cost / License

    • Paid
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    Good alternative?
     
  15. Poste.io icon

    Poste.io

     3 likes

    Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Linux
    Poste.io screenshot 1
    Good alternative?
     
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