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.

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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
     

    • 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

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Online
    • Self-Hosted
    • OpenPGP
    Mailpile screenshot 1
     

    • 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

     58 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.

    13 Rainloop alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    • Nextcloud
    • JavaScript
    • PHP
    • Cloudron
    Login
     
  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.

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application type

    Platforms

    • Linux
    • Online
    • Thunderbird
    • Cloudron
    SOGo screenshot 1
    SOGo screenshot 2
    SOGo screenshot 3
     
  6. 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
     
  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.

    41 Horde alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    • Self-Hosted
    Horde screenshot 1
     
  9. Nexmail icon

    Nexmail

     1 like
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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.

    27 Nexmail alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Self-Hosted
    • PHP
    Main Page
     
  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.

    17 Squirrelmail alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • PHP
    Squirrelmail screenshot 1
     
  11. 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.

    32 Webmail Lite alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    Afterlogic Webmail Lite
     
  12. 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 :).

    12 Cypht alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    Cypht screenshot 1
     

  13. 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
     
  14. 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.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
     
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