Thunderbird Alternatives

One of the most popular alternatives to Thunderbird is Betterbird, which is free and open source. Other popular alternatives are K-9 Mail, Evolution, Microsoft Outlook and SeaMonkey. There's no shortage of Email Clients like Thunderbird, with more than 100 alternatives for Windows, Mac, Linux, Android and iPhone.

filter to find the best alternatives

Most Thunderbird alternatives are Email Clients, but you can also narrow the list to Calendar Apps or Contact Managers. Other popular filters are iPhone, Linux, Open Source, Android and Windows. 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. Columba icon
     5 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2015

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    Good alternative?
     
  2. DejaLu icon
     6 likes

    Fast and Simple Email Client for Mac.

    Cost / License

    Application type

    Since

    • Since 2018

    Platforms

    • Mac
    Good alternative?
     
  3. kurrier icon
     2 likes

    Kurrier is a modern, self-hosted workspace for email, calendar, contacts and storage.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2026

    Platforms

    • Self-Hosted
    Good alternative?
     
  4. Balsa icon
     2 likes

    Balsa is an e-mail client for GNOME, highly configurable and incorporating all the features you would expect in a robust mail client.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2012

    Alerts

    • Discontinued

    Platforms

    • Linux
    • GNOME
    • Xfce
    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. Stoop icon
     Like

    Stoop is a dedicated inbox for subscription content, including email newsletters and video channels, helping keep your personal email uncluttered. It operates without algorithms, allowing for a focused interaction with content.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2022

    Platforms

    • iPhone
    • iPad
    Good alternative?
     
  7. 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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  8. SlideMail icon
     6 likes

    Making email better through artificial intelligence.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2015

    Platforms

    • iPhone
    Good alternative?
     
  9. 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.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2013

    Platforms

    • Mac
    Good alternative?
     
  10. Eudora icon
     1 like

    Eudora started in 1988, at the University of Illinois because the internet was a growing and burgeoning place, but email was not really established on the desktop computers that people were using at the time.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2020

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Mac
    Good alternative?
     
  11. SolMail icon
     1 like

    SolMail is a powerful e-mail client that helps you to manage all of your e-mail accounts & messages in one app!

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2018

    Alerts

    • Discontinued

    Platforms

    • Android
    • Android Tablet
    Good alternative?
     
  12. Emilio icon
     1 like

    Emilio is an AI-powered email manager that automates tasks to save users time. The key functionalities include sorting prioritized emails, summarizing messages and drafting emails with the user's tone.

    Cost / License

    • Freemium
    • Proprietary

    Since

    • Since 2024

    Platforms

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