Squirrelmail AlternativesWebMail Providers and other similar apps like Squirrelmail

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

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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...

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Squirrelmail alternatives page was last updated Dec 3, 2022
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  1. Roundcube icon
     168 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.

    26 Roundcube alternatives

    License model

    • FreeOpen Source

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Self-Hosted
    • PHP
    • Cloudron
    • Nextcloud

    Roundcube Features

    1.  PGP Encryption
    2.  Dark Mode
    3.  WYSIWYG Support
    4. Docker icon  Support for Docker
    5. Nextcloud icon  Nextcloud integration
    6.  Hostable
    7.  IMAP Support

    Roundcube VS Squirrelmail

     
    • Most users think Roundcube is a great Squirrelmail alternative.

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

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

    • Roundcube is Free and Open SourceSquirrelmail is also Free and Open Source
  2. Mailpile icon
     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

    License model

    • FreeOpen Source

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    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 Squirrelmail

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

    • Mailpile is Free and Open SourceSquirrelmail is also Free and Open Source
  3. Rainloop icon
     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

    • FreeOpen Source

    Application type

    Country of Origin

    • EE flagEstonia
    • European Union flagEU

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron
    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 Squirrelmail

     
  4. SOGo icon
     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

    License model

    • FreemiumOpen Source

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron

    SOGo Features

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

    SOGo VS Squirrelmail

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

    12 SnappyMail alternatives

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Self-Hosted
    • Web Browser

    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 Squirrelmail

     
  6. Horde icon
     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.

    43 Horde alternatives

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    Discontinued

    The last release (5.2.22) was in September 2017.

    Horde Features

    1.  CalDAV Support

    Horde VS Squirrelmail

     
  7. Webmail Lite icon
     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.

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted

    Properties

    1.  Lightweight

    Features

    1.  Multiple Account support

    Webmail Lite VS Squirrelmail

     
  8.  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.

    License model

    • FreeOpen Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Self-Hosted
    • AngularJS
    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 Squirrelmail

     
  9.  8 likes
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    Self-hosted server for the Proton Mail client.

    License model

    • FreeOpen 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 Squirrelmail

     
  10. Cypht icon
     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

    • FreeOpen Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Self-Hosted

    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 Squirrelmail

     
  11. Postaci icon
     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...

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Linux
    Discontinued

    Last commit on github : Jan 12, 2015. See https://github.com/Postaci-Webmail/Postaci

    Properties

    1.  Privacy focused

    Features

    1.  Ad-free
    2.  WYSIWYG Support
    3.  Spam Filter

    Postaci VS Squirrelmail

     
  12. 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.

    License model

    Country of Origin

    • AU flagAustralia

    Platforms

    • Linux
    • Online

    Atmail Email Server Features

    1.  Group Mail

    Atmail Email Server VS Squirrelmail

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

    • Atmail Email Server is Paid and ProprietarySquirrelmail is Free and Open Source
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