Isotope Mail Client AlternativesWebMail Providers & Email Clients like Isotope Mail Client

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

Isotope Mail Client iconIsotope Mail Client
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Microservice based webmail client built with ReactJS and Spring.

Minimalistic webmail client which currently has the main...

More about Isotope Mail Client
More about Isotope Mail Client
Isotope Mail Client alternatives page was last updated Jul 23, 2024
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  1. Roundcube icon

    Roundcube

     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

    • Free • Open Source

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Self-Hosted
    • PHP
    • Cloudron
    • Nextcloud
    Roundcube screenshot 1

    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 Isotope Mail Client

     

    • Roundcube is the most popular Self-Hosted alternative to Isotope Mail Client.

    • Roundcube is the most popular Open Source & free alternative to Isotope Mail Client.

    • Roundcube is Free and Open SourceIsotope Mail Client 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

    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 Isotope Mail Client

     

    • Mailpile is the most popular Web-based & Linux alternative to Isotope Mail Client.

    • Mailpile is Free and Open SourceIsotope Mail Client is also Free and Open Source
  4. 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

    Country of Origin

    • EE flagEstonia
    • European Union flagEU

    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 Isotope Mail Client

     
  5. 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

    License model

    • Freemium • Open Source

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3

    SOGo Features

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

    SOGo VS Isotope Mail Client

     
  6. 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 Isotope Mail Client

     
  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.

    43 Horde alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    Horde screenshot 1
    Discontinued

    The last release (5.2.22) was in September 2017.

    Horde Features

    1.  CalDAV Support

    Horde VS Isotope Mail Client

     
  9. Webmail Lite icon

    Webmail Lite

     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

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted
    Afterlogic Webmail Lite

    Properties

    1.  Lightweight

    Features

    1.  Multiple Account support

    Webmail Lite VS Isotope Mail Client

     
  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.

    16 Squirrelmail alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Self-Hosted
    • PHP
    Squirrelmail screenshot 1

    Squirrelmail Features

    1.  SMTP Support
    2.  IMAP Support
    3.  Exchange
    4.  On-premises software

    Squirrelmail VS Isotope Mail Client

     

  11. NeutronMail

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

    License model

    • Free • Open 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 Isotope Mail Client

     
  12. 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

    Country of Origin

    • US flagUnited States

    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 Isotope Mail Client

     
  13. Safe-mail.net icon

    Safe-mail.net

     2 likes
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    High security web-based e-mail system which extends considerably the email system to much more than currently exists.

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Online

    Safe-mail.net Features

    1.  Mail Filtering
    2.  Spam Filter
    3.  POP3 Support
    4.  SMTP Support
    5.  IMAP Support

    Safe-mail.net VS Isotope Mail Client

     
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