Rainloop AlternativesWebMail Providers & Email Clients like Rainloop

Rainloop is described as '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' and is a popular webmail provider in the office & productivity category. There are more than 10 alternatives to Rainloop for a variety of platforms, including Self-Hosted, Web-based, Linux, PHP and Cloudron apps. The best Rainloop alternative is Roundcube, which is both free and Open Source. Other great apps like Rainloop are Mailpile, SOGo, SnappyMail and Cypht.

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Alternatives list

  1. Roundcube icon

    Roundcube

     170 likes
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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 manipulation, message searching and spell checking.

    27 Roundcube alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Self-Hosted
    • PHP
    • Cloudron
    • Nextcloud
    Roundcube screenshot 1
     
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    1
    Comments about Roundcube as an Alternative to Rainloop
    Guest
    Negative
    -22

    roundcube only hosts local mailboxes

    Review by a new / low-activity user.
    Rainloop Icon
    Roundcube icon

    • Most users think Roundcube is a great Rainloop alternative.

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

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

    • Roundcube is Free and Open SourceRainloop 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.

    59 Mailpile alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1
     
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    1
    Comments about Mailpile as an Alternative to Rainloop
    Guest
    Negative
    -25

    mailpaile is just a mailbox for unix system users - no one will ever need that.

    Review by a new / low-activity user.
    Rainloop Icon
    Mailpile icon

    • Mailpile is the most popular Web-based & Linux alternative to Rainloop.

    • Mailpile is Free and Open SourceRainloop is also Free and Open Source
  4. 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.

    61 SOGo alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3
     
  5. SnappyMail icon

    SnappyMail

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

    13 SnappyMail alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • UNIX Web Browser
    • Cloudron
    SnappyMail screenshot 1
     
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    3
    Comments about SnappyMail as an Alternative to Rainloop
    Douze
    Positive
    1

    SnappyMail began its life as a fork of Rainloop because of the lack of communication from the dev team behind the project. Namely, after a critical security breach was found in late 2021, users waited for an official patch that secretly released in june 2022 without any talk on the subject. SnappyMail tries to change that, by adding features not present in its predecessor and solving issues that went unadressed before.

    Guest
    Positive
    1

    It isbfaster and supports PGP much better

    Review by a new / low-activity user.
    Guest
    Positive
    0

    Much more support for RFC's

    Review by a new / low-activity user.
    Rainloop Icon
    SnappyMail icon
    • SnappyMail is Free and Open SourceRainloop is also Free and Open Source
    • SnappyMail is Lightweight and Privacy focusedRainloop is not according to our users
  6. Cypht icon

    Cypht

     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

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    Cypht screenshot 1
     
  7. 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.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    Horde screenshot 1
     
  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.

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Linux
    • Online
    Intuitive Webmail Interface
     

    • Atmail Email Server is the most popular commercial alternative to Rainloop.

    • Atmail Email Server is Paid and ProprietaryRainloop is Free and Open Source
  10. 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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • PHP
    Squirrelmail screenshot 1
     

  11. NeutronMail

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

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
     
  12. Nexmail icon

    Nexmail

     2 likes
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    NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Self-Hosted
    • PHP
    Main Page
     
  13. 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...).

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Kubernetes
    • Docker
    • OpenShift
    Inbox with some read e-mails
     
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    9

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

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

    • Isotope Mail Client is Free and Open SourceRainloop is also Free and Open Source
  14. Postaci icon

    Postaci

     1 like
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    Postaci (Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode to fetch messages it uses database fields to simulate IMAP folders, on which you can save, move, delete, and...

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
     
12 of 13 Rainloop alternatives