CrossBox AlternativesMail Servers & WebMail Providers like CrossBox

CrossBox is described as 'Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI' and is a Mail Server in the office & productivity category. There are more than 25 alternatives to CrossBox for a variety of platforms, including Linux, Web-based, Self-Hosted, Windows and Mac apps. The best CrossBox alternative is Google Workspace. It's not free, so if you're looking for a free alternative, you could try Roundcube or mailcow: dockerized. Other great apps like CrossBox are Nextcloud Hub, Infomaniak kSuite, Kolab and Zimbra Collaboration Suite.

More about CrossBox
Copy a direct link to this comment to your clipboard
CrossBox alternatives page was last updated

Alternatives list

  1. Google Workspace icon

    Google Workspace

     146 likes

    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.

    56 Google Workspace alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

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

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

    • Google Workspace is the most popular commercial alternative to CrossBox.

    • Google Workspace is Paid and ProprietaryCrossBox is also Paid and Proprietary
  2. Roundcube icon

    Roundcube

     170 likes

    Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.

    27 Roundcube alternatives

    Cost / License

    Application types

    Platforms

    • Self-Hosted
    • PHP
    • Cloudron
    • Nextcloud
    Roundcube screenshot 1
     

    • Roundcube is the most popular Self-Hosted alternative to CrossBox.

    • Roundcube is the most popular Open Source & free alternative to CrossBox.

    • Roundcube is Free and Open SourceCrossBox is Paid and Proprietary
  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. Nextcloud Hub icon

    Nextcloud Hub

     22 likes

    Nextcloud is the most deployed on-premises file share and collaboration platform. Access & collaborate across your devices. As fully on-premises solution, Nextcloud Hub provides the benefits of online collaboration without the compliance and security risks.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Self-Hosted
    • Nextcloud
    Nextcloud Hub screenshot 1
     
  7. Infomaniak kSuite icon

    Infomaniak kSuite

     9 likes

    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.

    78 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 CrossBox.

    • Infomaniak kSuite is Free Personal and ProprietaryCrossBox is Paid and Proprietary
    • Infomaniak kSuite is Privacy focused and LightweightCrossBox is not according to our users
  8. Kolab icon

    Kolab

     43 likes

    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.

    48 Kolab alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Self-Hosted
     
  10. Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

     35 likes

    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.

    46 Zimbra Collaboration Suite alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

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

    Kopano

     32 likes

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

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

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

    • Kopano is the most popular SaaS alternative to CrossBox.

    • Kopano is Paid and ProprietaryCrossBox is also Paid and Proprietary
  12. Microsoft Exchange icon

    Microsoft Exchange

     17 likes

    Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.

    44 Microsoft Exchange alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Windows
    • Online
    • Self-Hosted
    • Microsoft Office 365
    Microsoft Exchange screenshot 1
     
  13. Axigen icon

    Axigen

     14 likes

    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
     
  14. Nexmail icon

    Nexmail

     2 likes

    NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.

    Cost / License

    Application types

    Platforms

    • Self-Hosted
    • PHP
    Main Page
     
  15. Kolab Now icon

    Kolab Now

     42 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.

    79 Kolab Now alternatives

    Cost / License

    • Subscription
    • Open Source

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
    • DAVx5
    Kolab Now email
     
12 of 43 CrossBox alternatives