Open Source eM Client Alternatives

    The best open source alternative to eM Client is Thunderbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to eM Client and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to eM Client are Mailspring (Freemium, Open Source), Evolution (Free, Open Source), Geary (Free, Open Source) and Claws Mail (Free, Open Source).

    The list of alternatives was last updated May 16, 2021

    Platforms

    • Windows
    • Mac
    • Linux
    • iPhone
    • Android
    • iPad
    • Android Tablet
    • Online
    • BSD
    • Apple Watch
    • S/MIME
    • OpenPGP
    • Windows S
    • GNOME
    • Android Wear
    • Haiku
    • Windows Mobile
    • Symbian S60
    • Chrome OS
    • Google Chrome

    Features

    • Multiple Account support
    • Support for IMAP
    • POP3 Support
    • Calendar
    • Portable
    • Organize mails
    • Exchange
    • Extensible by Plugins/Extensions
    • Built-in RSS reader
    • Night mode/Dark Theme
    • Unified inbox
    • Gmail integration
    • Customizable
    • Dropbox integration
    • Email tracking
    • Encrypted Email
    • Calendar integration
    • Command line interface
    • Contacts
    • Multiple languages

    License

    × Clear
    • Free
    • Open Source
    • Paid
    All Filters

    Showing 10 of 21 alternatives