Roundcube AlternativesOnly apps categorised as WebMail Providers

The best WebMail Provider alternative to Roundcube is Rainloop, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Roundcube and 16 are WebMail Providers so hopefully you can find a suitable replacement. Other interesting WebMail Provider alternatives to Roundcube are Mailpile, Horde, SOGo and OX App Suite.

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Roundcube alternatives are mainly WebMail Providers but may also be Email Clients or Mail Servers.  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. Rainloop icon

    Rainloop

     59 likes
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    Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.

    12 Rainloop alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron
    Login
    Discontinued

    The last update is from August 2022.

    Rainloop Features

    1.  Ad-free
    2.  Multiple Account support
    3.  IMAP Support
    4.  Dockerized
    5.  Encrypted Email

    Rainloop VS Roundcube

     
    Comments about Rainloop as an Alternative to Roundcube
    Most Recent Comment
    mandrael
    Positive •Apr 27, 2020
    1

    It's popular, modern programmed, faster than roundcube, but not so feature rich. Much sits below the surface though.

    EgorSharin
    Negative •Feb 19, 2024
    1

    The old version (no longer maintained since 2022) is still open-source on GitHub. The new version is closed-source.

    Guest
    Positive •Sep 7, 2017
    3

    PHP based and customizable more than roundcube, more modern ui

    Roundcube Icon
    Rainloop icon

    • Almost everyone thinks Rainloop is a great Roundcube alternative.

    • Rainloop is the most popular Web-based & Self-Hosted alternative to Roundcube.

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

    • Rainloop is Free and Open SourceRoundcube is also Free and Open Source
  2. Mailpile icon

    Mailpile

     117 likes
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    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.

    60 Mailpile alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1
    Discontinued

    The latest release (1.0.0rc6) was released in September 2019.

    Mailpile Features

    1.  OpenPGP
    2.  Web-Based
    3.  Encrypted Email
    4.  IMAP Support
    5.  POP3 Support

    Mailpile VS Roundcube

     
    Comments about Mailpile as an Alternative to Roundcube
    Most Recent Comment
    Guest
    Negative •Jun 24, 2024
    0

    Mailpie is a descktop application but Roundcube is a selfhosted application.

    Guest
    Negative •Jan 9, 2018
    1

    Mailpile needs to run on a computer

    Guest
    Negative •Jul 11, 2018
    -1

    Mailpile is single-user (personal) environment

    Roundcube Icon
    Mailpile icon

    • Some users think Mailpile is a great Roundcube alternative, some don't.

    • Mailpile is the most popular Linux alternative to Roundcube.

    • Mailpile is Free and Open SourceRoundcube is also Free and Open Source
  4. Horde icon

    Horde

     29 likes
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    Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.

    42 Horde alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    Horde screenshot 1
    Discontinued

    The last release (5.2.22) was in September 2017.

    Horde Features

    1.  CalDAV Support

    Horde VS Roundcube

     
  5. SOGo icon

    SOGo

     30 likes
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    SOGo is groupware server with a focus on scalability and open standards.

    SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.

    63 SOGo alternatives

    License model

    • Freemium • Open Source

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3

    SOGo Features

    1.  Support for Multiple Users
    2.  Scheduling
    3.  CalDAV Support
    4.  CardDAV Support

    SOGo VS Roundcube

     
  6. 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
  7. 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
  9. 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

     

  10. NeutronMail

     8 likes
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    Self-hosted server for the Proton Mail client.

    25 NeutronMail alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    Discontinued

    No longer supported

    NeutronMail Features

    1.  End-to-End Encryption
    2.  PGP Encryption
    3.  Web-Based

    NeutronMail VS Roundcube

     
  11. Squirrelmail icon

    Squirrelmail

     24 likes
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    SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers.

    16 Squirrelmail alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Self-Hosted
    • PHP
    Squirrelmail screenshot 1

    Squirrelmail Features

    1.  SMTP Support
    2.  IMAP Support
    3.  Exchange
    4.  On-premises software

    Squirrelmail VS Roundcube

     
  12. Webmail Lite icon

    Webmail Lite

     17 likes
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    Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use. Whether you need a free web browser based email client software for Windows ASP.

    31 Webmail Lite alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted
    Afterlogic Webmail Lite

    Properties

    1.  Lightweight

    Features

    1.  Multiple Account support

    Webmail Lite VS Roundcube

     
10 of 16 Roundcube alternatives