OpenChange Alternatives

OpenChange is described as 'Aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols' and is a Mail Server in the online services category. There are more than 25 alternatives to OpenChange for a variety of platforms, including Windows, Linux, Web-based, Self-Hosted and Mac apps. The best OpenChange alternative is Nextcloud Hub, which is both free and Open Source. Other great apps like OpenChange are Zimbra Collaboration Suite, Infomaniak kSuite, hMail Server and Microsoft Exchange.

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OpenChange alternatives are mainly Mail Servers but may also be WebMail Providers or Team Collaboration Tools.  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.

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

     
  2. MDaemon Messaging Server icon

    MDaemon Messaging Server

     16 likes
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    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.

    24 MDaemon Messaging Server alternatives

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Windows
    MDaemon's web-based email

    MDaemon Messaging Server Features

    1.  Encrypted Email
    2. Microsoft Outlook icon  Outlook integration
    3.  IMAP Support
    4. Dropbox icon  Dropbox integration

    MDaemon Messaging Server VS OpenChange

     
  4. 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

     
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    Infomaniak kSuite icon
    Infomaniak kSuite

    The ethical collaborative solution. Increase your productivity with a 100% Swiss solution that brings together all the apps for teamwork.

    https://www.infomaniak.com
    Learn More
  6. Zarafa icon

    Zarafa

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

    15 Zarafa alternatives

    License model

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    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."

    Zarafa Features

    1.  Real time collaboration

    Zarafa VS OpenChange

     
  7. Mercury Mail Transport System icon

    Mercury Mail Transport System

     4 likes
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    The Mercury Mail Transport System is a mail server that sends and receives messages on behalf of a group of users on a machine or local area network. Messages from the outside world are received by Mercury and delivered to the users, who can access it at any later point.

    20 Mercury Mail Transport System alternatives

    License model

    • Free Personal • Proprietary

    Application type

    Country of Origin

    • NZ flagNew Zealand

    Platforms

    • Windows

    Mercury Mail Transport System Features

    1.  Financial planner
    2.  Sync Contacts
    3.  Custom templates
    4.  Document structure management

    Mercury Mail Transport System VS OpenChange

     
  8. 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.

    34 Expanding Communication alternatives

    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

     
  10. 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

     

  11. Apache James

     1 like
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    James stands for Java Apache Mail Enterprise Server! It has a modular architecture based on a rich set of modern and efficient components which provides at the end complete, stable, secure and extendable Mail Servers running on the JVM.

    7 Apache James alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted

    Apache James Features

    1.  JMAP
    2.  SMTP Support

    Apache James VS OpenChange

     
  12. 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

     
  13. Sanwhole Exchange icon

    Sanwhole Exchange

     1 like
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    Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.

    44 Sanwhole Exchange alternatives

    License model

    Application type

    Country of Origin

    • CN flagChina

    Platforms

    • Windows
    iMail

    Sanwhole Exchange VS OpenChange

     
  14. Xeams icon

    Xeams

     1 like
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    Xeams is a secure and powerful mail server for that includes a powerful spam filtering engine that eliminates up to 99% of junk email right out of the box. The software offers a flexible approach to email, making it a very user friendly server.

    16 Xeams alternatives

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD

    Xeams Features

    1.  Spam Filter
    2.  IMAP Support
    3.  SMTP Support

    Xeams VS OpenChange

     
  15. HyperOffice Email Service icon

    HyperOffice Email Service

     2 likes
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    HyperOffices is a Microsoft Exchange alternative with all the messaging features growing business need - custom business email; Outlook email; shared Outlook contacts, calendars and tasks; web and mobile email; Outlook synchronization; shared calendars, contacts, tasks and...

    16 HyperOffice Email Service alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Online

    HyperOffice Email Service VS OpenChange

     
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