OpenChange AlternativesOnly apps categorised as WebMail Providers

The best WebMail Provider alternative to OpenChange is Axigen. It's not free, so if you're looking for a free alternative, you could try OBM. If that doesn't suit you, our users have ranked more than 25 alternatives to OpenChange and seven of them are WebMail Providers so hopefully you can find a suitable replacement. Other interesting WebMail Provider alternatives to OpenChange are SmarterMail Mail Server, CrossBox, iMail and atmail.

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OpenChange alternatives are mainly Mail Servers but may also be WebMail Providers or Email Clients.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of OpenChange.
OpenChange iconOpenChange
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OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.

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OpenChange alternatives page was last updated Sep 26, 2023
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Alternatives
  1. Axigen icon

    Axigen

     13 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).

    27 Axigen alternatives

    License model

    Application types

    Country of Origin

    • IT flagItaly
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Microsoft Office Outlook
    • Software as a Service (SaaS)
    Axigen screenshot 1

    Properties

    1.  Customizable

    Features

    1.  Real time collaboration
    2.  Shared Folders
    3.  Shared Calendar
    4.  Clustering
    5.  Customizable branding
    6.  CalDAV Support
    7.  Email Archiving
    8.  Clustering Support
    9.  Multiple languages
    10.  Delegated Administration

    Axigen VS OpenChange

     

    • Axigen is the most popular SaaS alternative to OpenChange.

    • Axigen is Paid and ProprietaryOpenChange is Free and Open Source
  2. SmarterMail Mail Server icon

    SmarterMail Mail Server

     3 likes
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    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.

    15 SmarterMail Mail Server alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux
    • Docker
    Audio and video conferencing for your team. Includes screen sharing, unlimited chat attendees, file sharing with previews, public or private conferences, and much more.

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Email Organizer
    2.  End-to-End Encryption
    3.  Two-factor Authentication
    4.  Mail Filtering
    5.  WYSIWYG Support
    6.  Multiple Account support
    7.  Passkey Support
    8.  Shared Folders
    9.  Real time collaboration
    10.  No Tracking
    11.  Remote Work
    12.  Video Conferencing

    SmarterMail Mail Server VS OpenChange

     
  4. CrossBox icon

    CrossBox

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

    41 CrossBox alternatives

    License model

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    View Mailbox (Dark mode)

    CrossBox Features

    1.  File Hosting

    CrossBox VS OpenChange

     

    • CrossBox is the most popular Android Tablet alternative to OpenChange.

    • CrossBox is Paid and ProprietaryOpenChange is Free and Open Source
  5. OBM icon

    OBM

     4 likes
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    OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

    21 OBM alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    OBM screenshot 1
    Discontinued

    The GitHub repository has been archived and the last update was in 2017.

    OBM Features

    1.  Real time collaboration
    2.  CalDAV Support

    OBM VS OpenChange

     
  6. iMail icon

    iMail

     3 likes
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    Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo. Free for commercial use.

    45 iMail alternatives

    License model

    Application types

    Country of Origin

    • CN flagChina

    Platforms

    • Windows
    • Self-Hosted
    iMail Server LAN Client.

    iMail VS OpenChange

     
  7. atmail icon

    atmail

     1 like
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    Atmail provides services providers with email solutions.

    26 atmail alternatives

    License model

    Application types

    Country of Origin

    • AU flagAustralia

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    atmail screenshot 1

    atmail Features

    1.  On-premises software

    atmail VS OpenChange

     

  9. Alinto

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    Established in January 2000, Alinto is one othe principal french editors and operators of collaborative messaging and unified communications. Alinto manages over 4000 areas of professional messaging and more than a million users in 5 countries.

    16 Alinto alternatives

    License model

    Application type

    Platforms

    • Online
    Alinto screenshot 1

    Alinto Features

    1.  Real time collaboration

    Alinto VS OpenChange

     
7 of 7 OpenChange alternatives