Alternatives to AtMail Open for all platforms with any license

Platforms

Show 9 less popular platforms
  • Roundcube icon

    Roundcube

    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...

    Open Source Self-Hosted PHP Cloudron

    No features added Add a feature
  • Zoho Mail icon

    Zoho Mail

    Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to communicate effectively while catering to...

    Freemium Web Android iPhone

  • Squirrelmail icon

    Squirrelmail

    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...

    Open Source Self-Hosted PHP

    No features added Add a feature
  • Horde icon

    Horde

    Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards...

    Open Source Web Self-Hosted

    No features added Add a feature
  • Webmail Lite icon

    Webmail Lite

    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...

    Open Source Web Self-Hosted

    No features added Add a feature
  • NaSMail icon

    NaSMail

    NaSMail 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 HTML 4.01...

    Open Source Web

    No features added Add a feature
  • Sendmail icon

    Sendmail

    Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol...

    Open Source Mac Linux

    No features added Add a feature
  • Atmail Email Server icon

    Atmail Email Server

    Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows. Features: Webmail Calendar Addressbook ...

    Commercial Linux Web

  • PowerMTA icon

    PowerMTA

    Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and DKIM) to comply with changing ISP...

    Commercial Windows Linux Self-Hosted

    No features added Add a feature
  • Flaskmail icon

    Flaskmail

    Easy to use and secure email hosting solution for any available domain name, including your own.

    Commercial Web

    No features added Add a feature
  • Know any more alternatives to AtMail Open?

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  • Thexyz icon

    Thexyz

    You can protect all your computers with a worry free online backup system. Enjoy the peace of mind that comes with knowing that every file you change will automatically...

    Commercial Web

    • atmail is a webmail "application" whereas thexyz is a online backup system...not the same Guest • Jul 2015 Disagree   Agree

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