Thunderbird AlternativesOnly apps from the EU - Page 2

The best alternative to Thunderbird is Betterbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Thunderbird and many of them are from the EU so hopefully you can find a suitable replacement. Other interesting alternatives to Thunderbird are SeaMonkey, FairEmail, Pelton and eM Client.

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Most Thunderbird alternatives are Email Clients, but you can also narrow the list to Calendar Apps or Contact Managers. Other popular filters are Linux, iPhone, Open Source, Android and EU. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
Thunderbird alternatives page was last updated

Alternatives list

  1. Mynigma icon
     2 likes

    Mynigma is a new kind of email client with built-in encryption.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Since

    • Since 2014

    Alerts

    • Discontinued

    Platforms

    • Mac
    • iPhone
    • iPad
    Good alternative?
     
  2. Koma-Mail icon
     4 likes

    Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2010

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  3. mu icon
     5 likes

    mu is a tool for dealing with e-mail messages stored in the Maildir-format, on Unix-like systems. mu's main purpose is to help you to find the messages you need, quickly; in addition, it allows you to view messages, extract attachments, create new maildirs, …

    Cost / License

    Application type

    Since

    • Since 2014

    Platforms

    • Mac
    • Linux
    • BSD
    • NL flagNetherlands
    • European Union flagEU
    mu screenshot 1
    Good alternative?
     
  4. InkMail icon
     3 likes

    A modern, lightweight and private email client for Windows and Linux. Unlimited IMAP accounts in one unified inbox, tracking pixels blocked by default.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • New

    Platforms

    • Windows
    • Linux
    • Snapcraft
    Good alternative?
     
  5. monocles mail icon
     2 likes

    monocles mail is a fork of the K-9 mail version 5.600 with the old K-9 mail layout.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Since

    • Since 2021

    Platforms

    • Online
    • Android
    • F-Droid
    Good alternative?
     
  6. ProfiMail icon
     3 likes

    ProfiMail is a powerful email client for mobile phones. It allows you to read your mail on the go, and send text with attachments directly from your phone. Send photos, recorded sound or simply text messages to friends, from anywhere.

    Features:

    • Folders tree hierarchy - see al.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2011

    Platforms

    • Android
    • Android Tablet
    • Windows Mobile
    • Symbian S60
    Good alternative?
     
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    1
  7. Unibox icon
     18 likes

    Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list.

    27 Unibox alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2013

    Platforms

    • Mac
    Good alternative?
     
  8. Email client and email notifier in one. Allows you to send, receive, and manage e-mails, get notifications of incoming email messages from your buddies, coworkers or family members online. Contains free email sender interface ready to cooperate with other software via XML, CSV...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    Good alternative?
     
  9. Doar icon
     Like

    Simple, fast and free email client for Windows in the spirit of the old Outlook Express – no ads, no tracking, your mail stays on your computer.

    6 Doar alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • New

    Platforms

    • Windows
    Good alternative?
     
  10. PREDIMAIL icon
     Like

    Sort, reply, and organize your inbox using a smart knowledge base for accurate, personalized answers. Save time and boost productivity with secure, automated email management.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2025

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
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