OpenChange AlternativesOnly apps categorised as Email Clients

The best Email Client alternative to OpenChange is Kopano. If that doesn't suit you, our users have ranked more than 25 alternatives to OpenChange and six of them are Email Clients so hopefully you can find a suitable replacement. Other interesting Email Client alternatives to OpenChange are SmarterMail Mail Server, CrossBox, IceWarp and Expanding Communication.

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

More about OpenChange
More about OpenChange
OpenChange alternatives page was last updated Sep 26, 2023
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  1. Kopano icon

    Kopano

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

    22 Kopano alternatives

    License model

    Application types

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Online
    • Software as a Service (SaaS)
    Kopano screenshot 1

    Kopano Features

    1.  Real time collaboration
    2.  On-premises software
    3.  Shared Calendar
    4.  CalDAV Support
    5.  IMAP Support
    6.  S/MIME Support
    7.  POP3 Support

    Kopano VS OpenChange

     
  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.

    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

    Country of Origin

    • BA flagBosnia & Herzegovina

    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. IceWarp icon

    IceWarp

     10 likes
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    IceWarp integrates all communication & collaboration features in one unified solution. Available in cloud or for on-premises deployment, IceWarp is a great tool to share and exchange all information and ideas online, offline or via mobile devices.

    42 IceWarp alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux
    • Online
    IceWarp screenshot 1

    Top IceWarp Features

    1.  Team discussion
    2.  Secure File Sharing
    3.  Real time collaboration
    4.  Unlimited team members
    5. Microsoft Outlook icon  Outlook integration
    6. Microsoft 365 Copilot icon  Compatible with Microsoft Office
    7.  Cloud based
    8.  Document Sharing
    9.  Voice Chat
    10.  Video Conferencing
    11.  Integrated File Sharing
    12.  Shared Calendar

    IceWarp VS OpenChange

     
  6. Expanding Communication icon

    Expanding Communication

     5 likes
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    Turnkey Solutions for the Enterprise Cloud

    Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file sharing, and file transfers.

    License model

    Application types

    Platforms

    • Linux
    Expanding Communication screenshot 1

    Expanding Communication Features

    1.  Cloud Sync
    2.  Contacts
    3.  CalDAV Support
    4.  Cloud based
    5.  Video Conferencing
    6.  CardDAV Support

    Expanding Communication VS OpenChange

     
  7. atmail icon

    atmail

     1 like
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    Atmail provides services providers with email solutions.

    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

     
6 of 6 OpenChange alternatives