Alternatives to Atmail Email Server for all platforms with any license

  • Gmail icon

    Gmail

    Gmail is a free search-based web-mail service. It offers a full featured web-based email client with search capabilities, a mailbox...

    Free Personal Web / Cloud Android iPhone Chrome OS Android Tablet iPad ... Android Wear Kindle Fire

  • Roundcube icon

    Roundcube

    Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality...

    Open Source Self-Hosted PHP

  • Mailpile icon

    Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded...

    Open Source Mac Windows Linux Web / Cloud Self-Hosted

  • Google Apps icon

    Google Apps

    Google Apps is a service that provides independently customisable versions of several Google products under a custom domain name. It...

    Commercial Mac Windows Linux Web / Cloud Chrome OS

  • Apple Mail icon

    Apple Mail

    There’s big news attached. The best way to manage email on a Mac gets even better with OS X Yosemite.

    Free Mac iPhone iPad

  • Yahoo! Mail icon

    Yahoo! Mail

    Web-mail with a terabyte of free storage space & spam protection. Yahoo! Mail offers grouped conversations, themes, powerful...

    Free Windows Web / Cloud Android iPhone Windows RT iPad ... Kindle Fire

  • 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...

    Freemium Web / Cloud Android iPhone

  • Rainloop icon

    Rainloop

    Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no...

    Open Source Self-Hosted JavaScript PHP

  • Windows Live Mail icon

    Windows Live Mail Discontinued

    Windows Live Mail (formerly named Windows Live Mail Desktop) is a freeware email client from Microsoft. It is the successor to Outlook...

    Free Windows

  • GMX icon

    GMX

    GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange). In addition to an e-mail address, each GMX...

    Free Web / Cloud

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  • 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...

    Open Source Self-Hosted PHP

  • Zimbra Desktop icon

    Zimbra Desktop

    The free Zimbra Desktop client allows you to meld the online and offline worlds – storing and synching your email, calendar, contacts...

    Free Personal Mac Windows Linux

  • Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web...

    Freemium Linux Web / Cloud

  • Horde icon

    Horde

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

    Open Source Web / Cloud

  • 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...

    Open Source Web / Cloud Self-Hosted

  • Microsoft Exchange Server icon

    Microsoft Exchange Server

    Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft...

    Commercial Windows Web / Cloud

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  • Polymail icon

    Polymail

    The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.

    Free Mac iPhone iPad

  • AOL Mail icon

    AOL Mail

    FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB). Because of this AOL WebMail is...

    Free Web / Cloud

  • Microsoft Office 365 icon

    Microsoft Office 365

    Office 365 is a subscription-based software services that licenses Microsoft Office products for on-premise or cloud-based use. For...

    Commercial Web / Cloud

  • Sendmail icon

    Sendmail

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

    Open Source Mac Linux

  • Simple Mail icon

    Simple Mail

    Simple Mail is a mail client for Firefox. It allows you to get notified, read and write messages for multiple email accounts inside...

    Free Mac Windows Linux Firefox

  • 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...

    Open Source Web / Cloud

  • GyazMail icon

    GyazMail

    GyazMail is a email client software for Mac OS X, based on Cocoa framework, simple, easy-to-use with many features.

    Commercial Mac

  • NOCC

    NOCC is a webmail client written in PHP. It provides webmail access to IMAP and POP3 accounts.

    Open Source Web / Cloud

  • NeoMail icon

    NeoMail

    NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server...

    Open Source Web / Cloud

  • InboxCube icon

    InboxCube

    For us Email is our lives. At the heart of our inbox lives a personal network of information and content that privately defines who we...

    Free iPhone

  • OBM icon

    OBM

    OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile...

    Open Source Mac Windows Linux

  • Neomailbox

    Neomailbox has been providing secure and reliable email and private surfing services for over 10 years, enabling thousands of...

    Commercial Web / Cloud

  • atmail icon

    atmail

    Atmail allows you to choose between on-premises or cloud deployment. Features include email, contact, calendar, task, storage...

    Commercial Mac Windows Linux Android iPhone Android Tablet ... iPad

  • MailMate icon

    MailMate

    MailMate is an IMAP email client for Mac OS X featuring extensive keyboard control, Markdown supported email composition.

    Commercial Mac

  • Microsoft SMTP Server icon

    Microsoft SMTP Server

    Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site. Mail can be delivered immediately or it can be...

    Commercial Windows

  • PowerMTA icon

    PowerMTA

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

    Commercial Windows Linux Self-Hosted

  • 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...

    Commercial Web / Cloud