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Roundcube AlternativesTop WebMail Providers & Email Clients like Roundcube

One of the most popular alternatives to Roundcube is Mailpile, which is free and open source. Other popular alternatives are Rainloop, Kolab, SOGo and Zimbra Collaboration Suite. WebMail Providers like Roundcube are a crowded field, with more than 25 alternatives for self-hosting, the web, Linux, Mac and Windows.

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Most Roundcube alternatives are WebMail Providers, but you can also narrow the list to Email Clients or Mail Servers. Other popular filters are Self-Hosted and Open Source.
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Alternatives list

  1. Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free
    • Open Source

    Application typeApplication types

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Good alternative?Is Mailpile a good alternative to Roundcube?
    |
    3comments
    Discontinued

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

    Mailpile vs Roundcube Comments

    Negative comment by Guest ·

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

    Negative comment by Guest ·

    Mailpile needs to run on a computer

    Negative comment by Guest ·

    Mailpile is single-user (personal) environment

    3 of 3 comments

    • Mailpile is Free and Open SourceRoundcube is also Free and Open Source
    • Mailpile is an Email Client Roundcube is a WebMail Provider
  2. Copy a direct link to this comment to your clipboard

    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.

    18 Rainloop alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application typeApplication types

    Origin

    • EE flagEstonia
    • European Union flagEU

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron
    • EE flagEstonia
    • European Union flagEU
    Login
    Good alternative?Is Rainloop a good alternative to Roundcube?
    |
    3comments
    Discontinued

    The last update is from August 2022.

    Rainloop vs Roundcube Comments

    Positive comment by mandrael ·

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

    Negative comment by EgorSharin ·

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

    Positive comment by Guest ·

    PHP based and customizable more than roundcube, more modern ui

    3 of 3 comments

    • Rainloop is Free and Open SourceRoundcube is also Free and Open Source
  4. 43 likes
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    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.

    58 Kolab alternatives

    Cost / License

    • Freemium
    • Open Source

    Application type

    Origin

    • CH flagSwitzerland

    Platforms

    • Linux
    • Online
    • Self-Hosted
    Good alternative?Is Kolab a good alternative to Roundcube?
  5. 31 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.

    64 SOGo alternatives

    Cost / License

    Application type

    Origin

    • CA flagCanada

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    • CA flagCanada
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3
    Good alternative?Is SOGo a good alternative to Roundcube?
  6. Copy a direct link to this comment to your clipboard

    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.

    54 Zimbra Collaboration Suite alternatives

    Cost / License

    • Paid
    • Proprietary

    Application typeApplication types

    Origin

    • US flagUnited States

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • US flagUnited States
    Zimbra Collaboration Suite screenshot 1
    Good alternative?Is this a good alternative to Roundcube?
  8. 30 likes
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    Enterprise-level, browser-based suite for IMAP email, calendar, contacts, tasks, notes, wiki, and file management, offering syncing, shared and unlimited resources, multilingual support, customizable dashboard, and integration with mobile and external clients.

    42 Horde alternatives

    Cost / License

    • Free
    • Open Source

    Application typeApplication types

    Platforms

    • Online
    • Self-Hosted
    Good alternative?Is Horde a good alternative to Roundcube?
  10. Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free
    • Open Source

    Application typeApplication types

    Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • DE flagGermany
    • European Union flagEU
    OX Portal
    Good alternative?Is OX App Suite a good alternative to Roundcube?
  11. Copy a direct link to this comment to your clipboard

    Cloudflare Workers-based email solution providing multiple address generation, attachment storage via R2, responsive web interface, RBAC management, Resend bulk email, Telegram or third-party forwarding, verification code recognition, and ECharts analytics.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Origin

    • CN flagChina

    Platforms

    • Self-Hosted
    Good alternative?Is Cloud Mail a good alternative to Roundcube?
  12. Copy a direct link to this comment to your clipboard

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

    18 SnappyMail alternatives

    Cost / License

    Application type

    Origin

    • NL flagNetherlands
    • European Union flagEU

    Alerts

    • Discontinued

    Platforms

    • Self-Hosted
    • UNIX Web Browser
    • Cloudron
    • NL flagNetherlands
    • European Union flagEU
    SnappyMail screenshot 1
    Good alternative?Is SnappyMail a good alternative to Roundcube?
  13. 10 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 :).

    Cost / License

    Application type

    Origin

    • US flagUnited States

    Platforms

    • Self-Hosted
    • US flagUnited States
    Cypht screenshot 1
    Good alternative?Is Cypht a good alternative to Roundcube?
  14. Copy a direct link to this comment to your clipboard

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

    75 Atmail Email Server alternatives

    Cost / License

    • Paid
    • Proprietary

    Application typeApplication types

    Origin

    • AU flagAustralia

    Platforms

    • Linux
    • Online
    Good alternative?Is Atmail Email Server a good alternative to Roundcube?
12 of 32 Roundcube alternatives

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