Alternatives to mu for all platforms with any license

Platforms

Desktop

Web / Online

Indie / Classic

Other Platforms

  • Thunderbird icon

    Thunderbird

    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. It supports POP (storing mail locally on your hard drive so that it can be accessed...

    Open Source Mac Windows Linux BSD PortableApps.com Haiku

  • iRedMail icon

    iRedMail

    A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support. Easy, fast deployment in LESS THAN 1 MINUTE. View...

    Open Source Linux BSD Self-Hosted

  • Columba icon

    Columba

    Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.

    Open Source Mac Windows Linux BSD

    • Discontinued The project is no longer developed. Last version, 1.4, released in March 2007, can be still downloaded from SourceForge.
  • notmuch icon

    notmuch

    Notmuch is a system for indexing, searching, reading, and tagging large collections of email messages. It uses the Xapian library to provide fast, full-text search of very large collection of email with a very convenient search...

    Open Source Linux

  • astroid

    A graphical threads-with-tags style, lightweight and fast, email client for notmuch, inspired by sup and others.

    Open Source Linux

  • Nmzmail icon

    Nmzmail

    nmzmail is a tool, primarily to be used with mutt, for indexing and searching maildir folders. Based on the result of a search query using the search engine namazu2, nmzmail generates a maildir folder containing symbolic links to...

    Open Source Linux

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