Roundcube AlternativesOnly apps categorised as Email Clients

The best Email Client 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 ten of them are Email Clients so hopefully you can find a suitable replacement. Other interesting Email Client alternatives to Roundcube are Mailpile, SnappyMail, CrossBox and Atmail Email Server.

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Roundcube alternatives are mainly Email Clients but may also be WebMail Providers or RSS Readers.  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    The old version (no longer maintained since 2022) is still open-source on GitHub.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. SnappyMail icon

    SnappyMail

     7 likes
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    The drastically upgraded & secured fork of RainLoop Webmail Community edition.

    12 SnappyMail alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Web Browser
    SnappyMail screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Support for Themes

    Features

    1.  No Tracking
    2.  Dark Mode
    3.  Extensible by Plugins/Extensions
    4.  Ad-free
    5.  PGP Encryption
    6.  WYSIWYG Support
    7.  Multiple Account support
    8.  GPG Encryption
    9.  Two-factor Authentication
    10.  Mobile friendly
    11.  S/MIME Support

    SnappyMail VS Roundcube

     
  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

    Platforms

    • Linux
    • Online
    Intuitive Webmail Interface

    Atmail Email Server Features

    1.  Group Mail

    Atmail Email Server VS Roundcube

     
  7. Cypht icon

    Cypht

     8 likes
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    All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader :).

    11 Cypht alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Self-Hosted
    Cypht screenshot 1

    Cypht Features

    1.  End-to-End Encryption
    2.  JMAP
    3.  IMAP Support
    4.  Built-in RSS reader
    5.  POP3 Support
    6.  Modules
    7.  SMTP Support

    Cypht VS Roundcube

     
  9. Isotope Mail Client icon

    Isotope Mail Client

     1 like
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    Microservice based webmail client built with ReactJS and Spring.

    Minimalistic webmail client which currently has the main features of any other mail client (read mail, compose mail, organize mail folders...).

    11 Isotope Mail Client alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • ES flagSpain
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Kubernetes
    • Docker
    • OpenShift
    Inbox with some read e-mails
    Discontinued

    Last update on Dec 8, 2019.

    Isotope Mail Client Features

    1.  Autocompletion
    2.  No database needed
    3.  Drag and Drop
    4. Docker icon  Support for Docker
    5.  Web-Based
    6.  Rich text editing
    7.  Dockerized

    Isotope Mail Client VS Roundcube

     

    • Almost everyone thinks Isotope Mail Client is a great Roundcube alternative.

    • Isotope Mail Client is the most popular Windows & Mac alternative to Roundcube.

    • Isotope Mail Client is Free and Open SourceRoundcube is also Free and Open Source

  10. CacoCloud

     10 likes
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    A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and bookmark manager. CacoCloud is divided into a RESTful PHP backend storing all data into a SQLite database and an SPA frontend based on AngularJs.

    14 CacoCloud alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Self-Hosted
    • AngularJS
    Feed reader
    Discontinued

    The project is no longer developed. Last version, 0.1.1, released in February 2015, can be still downloaded from the official website.

    CacoCloud Features

    1.  Web-Based

    CacoCloud VS Roundcube

     
  11. NeoMail icon

    NeoMail

     3 likes
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    NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server, or any shell access for the users. It interfaces directly with user mail spools.

    11 NeoMail alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Online
    NeoMail screenshot 1
    Discontinued

    It was last updated in 2013.

    NeoMail VS Roundcube

     
  12. TrulyMail icon

    TrulyMail

     3 likes
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    TrulyMail is an email client and a private messaging system, very feature rich (voice recording, script blocking, etc.).

    59 TrulyMail alternatives

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Windows
    Main Window
    Discontinued

    The program is no longer developed. Last version, 6.0.2, released in January 2017, can be still downloaded from SoftPedia.

    TrulyMail Features

    1.  Text to Speech
    2.  Portable
    3.  Integrated Spam Protection
    4.  Integrated Search

    TrulyMail VS Roundcube

     
10 of 10 Roundcube alternatives