Best Thunderbird Alternatives in 2021

    Thunderbird is described as 'free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox' and is one of the leading apps in the News & Books category. There are more than 50 alternatives to Thunderbird for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is K-9 Mail, which is both free and Open Source. Other great apps like Thunderbird are eM Client (Freemium), Evolution (Free, Open Source), Feedly (Freemium) and Claws Mail (Free, Open Source).

    This page was last updated Jun 24, 2021

    1. Nylas Mail Lives is a fork of Nylas Mail that fixes many longstanding issues, improves the client experience, and is committed to publish new releases.

      Discontinued

      On its github page it states it is archived and is no longer maintained.

    2. Pantheon Mail is a free open source email client forked by the elementary OS community from Geary . Features Modern and straightforward interface Quick account setup


      • FreeOpen Source
      • Android
      • Android Tablet
      • PureOS (Purism)
      Librem Mail – end-to-end encrypted email used by nearly everybody already * Email client with support for IMAP and POP3 * Encrypt and sign your emails with OpenKeychain * Multiple accounts * Free and open-source software
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      • FreeOpen Source
      • Windows
      • Windows Mobile
      nPOPuk is an ultra-small, but comprehensive, e-mail client that runs on a wide range of Windows-based operating systems

      Discontinued

      Not updated since 2017.

      • FreemiumProprietary
      • Windows
      • Gmail
      The missing native desktop client for Gmail on Windows 10.
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    3. Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more.
      • Mac
      Take control of your inbox Don’t let the constant stream of interruptions mess up with your work. Sort through new mail in batches with focused sorting, clean up your inbox and get back to work.
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    4. EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and AOL. EmailTray intelligently ranks messages, prioritizes them into 4 Inboxes and alerts you only to the most important.
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    5. SolMail is a powerful e-mail client that helps you to manage all of your e-mail accounts & messages in one app! It supports many email services via standard Internet email protocols: IMAP/SMTP/POP3.

      Discontinued

      Removed from google play and the developers never go it up

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    Showing 60 of 89 alternatives