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Self-Hosted Roundcube Alternatives

There are many alternatives to Roundcube as a self-hosted solution if you are looking for a replacement. The best Self-Hosted alternative 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 available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Roundcube are Mailpile, Zimbra Collaboration Suite, Isotope Mail Client and Horde.

Roundcube alternatives are mainly WebMail Providers but may also be Mail Servers or Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Roundcube.
This page was last updated Apr 27, 2020
Roundcube
  157
  • FreeOpen Source
  • Self-Hosted
  • PHP
  • Cloudron

Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full...

Learn more about Roundcube

  1. Rainloop

    • FreeOpen Source
    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron

    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.

    Rainloop vs Roundcube opinions
    Almost everyone thinks Rainloop is a great alternative to Roundcube.

    PHP based and customizable more than roundcube, more modern ui

    Positive comment almost 5 years ago
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    3
    mandrael

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

    Positive comment about 2 years ago
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    0
  2. Mailpile

    • FreeOpen Source
    • Linux
    • Online
    • Self-Hosted
    • OpenPGP

    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.

    Discontinued

    1.0.0 Release Candidate 6 from 2019 is the last version on GitHub (https://github.com/mailpile/Mailpile/releases). Possibly the development has been stopped.

    Mailpile vs Roundcube opinions
    Some users think Mailpile is a great alternative to Roundcube, some don't.

    Mailpile needs to run on a computer

    Negative comment over 4 years ago
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    2

    Mailpile is single-user (personal) environment

    Negative comment almost 4 years ago
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    -1


  3. 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.

  4. Isotope Mail Client

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Kubernetes
    • Docker
    • OpenShift

    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...).

    Almost everyone thinks Isotope Mail Client is a great alternative to Roundcube.
  5. Horde

    • FreeOpen Source
    • Online
    • Self-Hosted

    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.

    Discontinued

    The last release (5.2.22) was in September 2017.

    Most users think Horde is a great alternative to Roundcube.


  6. Mail-in-a-box

    • FreeOpen Source
    • Self-Hosted
    • Roundcube

    Easy-to-deploy mail server.

  7. Kolab Community

    • FreemiumOpen Source
    • Linux
    • Online
    • Self-Hosted

    Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.

    No screenshots yet
  8. iRedMail

    • FreemiumOpen Source
    • Linux
    • BSD
    • Self-Hosted

    A fully fledged, free email server solution, an open source project (GPL v2).

  9. Squirrelmail

    • FreeOpen Source
    • Self-Hosted
    • PHP

    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.

  10. Webmail Lite

    • FreeOpen Source
    • Online
    • Self-Hosted

    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.

Showing 10 of 16 alternatives