Roundcube AlternativesOnly apps categorised as Mail Servers

The best Mail Server alternative to Roundcube is Zimbra Collaboration Suite, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Roundcube and eight of them are Mail Servers so hopefully you can find a suitable replacement. Other interesting Mail Server alternatives to Roundcube are Mail-in-a-box, OX App Suite, CrossBox and Atmail Email Server.

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Roundcube alternatives are mainly Mail Servers but may also be WebMail Providers or Calendar Apps. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Roundcube.
Roundcube iconRoundcube
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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...

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Roundcube alternatives page was last updated Dec 20, 2024
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Alternatives
  1. Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

     35 likes
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    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.

    44 Zimbra Collaboration Suite alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Zimbra Collaboration Suite screenshot 1

    Zimbra Collaboration Suite Features

    1.  Real time collaboration
    2.  ActiveSync
    3. Microsoft Active Directory icon  Active Directory integration

    Zimbra Collaboration Suite VS Roundcube

     
  2. Mail-in-a-box icon

    Mail-in-a-box

     21 likes
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    Easy-to-deploy mail server.

    17 Mail-in-a-box alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Self-Hosted
    • Roundcube
    Control Panel

    Mail-in-a-box Features

    1.  IMAP Support
    2. Nextcloud icon  Nextcloud integration

    Mail-in-a-box VS Roundcube

     
  4. OX App Suite icon

    OX App Suite

     15 likes
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    The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.

    19 OX App Suite alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    OX Portal

    OX App Suite Features

    1.  Real time collaboration
    2.  Cloud Sync
    3.  Calendar Integration
    4.  Personal Information Manager (PIM)
    5.  Group Mail
    6.  WebDAV Support
    7.  WebDAV Sync

    OX App Suite VS Roundcube

     

    • OX App Suite is the most popular SaaS alternative to Roundcube.

    • OX App Suite is Free and Open SourceRoundcube is also Free and Open Source
  5. 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 Roundcube

     

    • CrossBox is the most popular Android, iPhone, iPad & Android Tablet alternative to Roundcube.

    • CrossBox is the most popular commercial alternative to Roundcube.

    • CrossBox is Paid and ProprietaryRoundcube is Free and Open Source
  6. Atmail Email Server icon

    Atmail Email Server

     7 likes
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    Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.

    68 Atmail Email Server alternatives

    License model

    Application types

    Country of Origin

    • AU flagAustralia

    Platforms

    • Linux
    • Online
    Intuitive Webmail Interface

    Atmail Email Server Features

    1.  Group Mail

    Atmail Email Server VS Roundcube

     
  7. Mr. Mail icon

    Mr. Mail

     1 like
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    MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a large company (SME) at superb prices and the best support in the industry.

    41 Mr. Mail alternatives

    License model

    Application types

    Platforms

    • Online

    Mr. Mail VS Roundcube

     
  9. Emails icon

    Emails

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    Simple, easy and secure mail server with a convenient and simple interface. Automatic certificate renewal through Let’s encrypt. Redirect, local storage. IMAP and SMTP.

    24 Emails alternatives

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Mac
    Emails screenshot 1

    Emails Features

    1.  IMAP Support
    2.  SMTP Support

    Emails VS Roundcube

     
  10. iRedMail icon

    iRedMail

     20 likes
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    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.

    67 iRedMail alternatives

    License model

    • Freemium • Open Source

    Application type

    Platforms

    • Linux
    • BSD
    • Self-Hosted
    Main components and working process

    iRedMail VS Roundcube

     
8 of 8 Roundcube alternatives