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    Thunderbird Alternatives for Linux

    There are many alternatives to Thunderbird for Linux if you are looking for a replacement. The best Linux alternative is Evolution, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Thunderbird and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Thunderbird are Claws Mail, Mailspring, Geary and SeaMonkey.

    Thunderbird is mainly a Email Client but alternatives to it may also be Calendars or RSS Readers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Thunderbird.
    This page was last updated May 22, 2022
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    Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is...
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    1. Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.
      Evolution vs Thunderbird opinions
      Most users think Evolution is a great alternative to Thunderbird.
      Has a nice Gui, works fast and has many options. Still some functions are not intuitive. Good alternative to Thunderbird
      Positive comment about 1 year ago

      0
      well, I use cinnamon desktop, Thunderbird does not display 24 hour format but AM/PM for starters. Also, I use the built-in acount manager and Thunderbird does not "talk" with that as well.. Evolution does sync my CALDAV and CARDDAV from this. Thunderbird needs plugins for this and these plugins also make Thunderbird unstable (lightning). Since I like to keep things "clean", Evolution is my software of choice ATM...
      Positive comment over 2 years ago

      -1
    2. Claws Mail is an email client (and news reader), based on GTK+, featuring
      Claws Mail vs Thunderbird opinions
      Most users think Claws Mail is a great alternative to Thunderbird.
      3psilon It's a good, lightweight alternative, but the UI is clunky and it misses HTML message composing. You have been warned!
      Top positive comment  over 4 years ago

      14
      jodumont Despite the style, Claws is super fast and allow you to programs it with Perl and Python which is great for marketing automation.
      Top positive comment  almost 3 years ago

      8
      very good alternative under linux. I can not say the same under windows since fancy plugin is very buggy.
      Positive comment about 2 years ago

      -1
      No HTML compose is the only reason I don't switch to it. We're not in 1980 anymore.
      Negative comment over 3 years ago

      14
      Much faster than thunderbird which cloaks on weak machines.
      Positive comment over 4 years ago

      6
      Small and quick and not flooded with choices!
      Positive comment almost 6 years ago

      2
      I like it because of easily customizable key bindings.
      Positive comment almost 6 years ago

      0


    3. Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro version adds read receipts, send later, reminders and more.
      Mailspring vs Thunderbird opinions
      This alternative is disputed. Mailspring is still a legitimate alternative to Thunderbird, but it might have issues that some users think are important.
      bengotow Supports Linux and all IMAP providers, offers shortcut customization, extensible via plugins.
      Top positive comment  over 4 years ago

      -3
      peterbro nice interface (if you are talking about the feature, kcontact/kmail is the best, but this has a nice interface)
      Top positive comment  over 4 years ago

      -3
      riskaasmara Simple, more streamlined UI and easily customizable.
      Positive comment over 3 years ago

      4
      Need to create an account on a third-party company to access your email.
      Negative comment over 3 years ago

      52
      3psilon Great alternative, especially for casual users. Simple, streamlined UI, feels fresh.
      Positive comment about 4 years ago

      1
      Very simple, perfect IU and possibility to follow what happen to your emails.
      Positive comment over 4 years ago

      -1
    4. Geary is an email application built around conversations, for the GNOME 3 desktop.
      Geary vs Thunderbird opinions
      Some users think Geary is a great alternative to Thunderbird, some don't.
      Only IMAP. No support for local folders.
      Negative comment over 3 years ago

      1
      Doesn't have an address book
      Negative comment about 5 years ago

      1
      Easy to set up. Thunderbird doesn't connect anymore with hotmail and yahoo. No address book.
      Positive comment almost 5 years ago

      -21
    5. Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
      SeaMonkey vs Thunderbird opinions
      Almost everyone thinks SeaMonkey is a great alternative to Thunderbird.
      SeaMonkey is both a WEB BROWSER and EMAIL CLIENT. It's the successor of Mozilla Application Suite or Netscape Communicator, resp. Further it includes also a news client program, an HTML editor (SeaMonkey Composer) and an IRC client (ChatZilla).
      Positive comment over 4 years ago

      20
      Unfortunately doesn't support synchronization with CardDAV address books.
      Negative comment about 2 months ago

      0
      More of a web browser than an email client
      Negative comment about 3 years ago

      -7
      apostolfaliagas It has all of Thunderbird's features and many more.
      Positive comment over 4 years ago

      14


      • Free PersonalProprietary
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      BlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3.
      BlueMail vs Thunderbird opinions
      Some users think BlueMail is a great alternative to Thunderbird, some don't.
      It works on Android, but is not so powerfull.
      Positive comment over 2 years ago

      0
      clear, easy to use lots of flexibility
      Positive comment over 3 years ago

      -2
      bluemail pushes all your mail into their clud making it insecure
      Negative comment over 2 years ago

      25
    6. Mutt is a small but very powerful text-based mail client for Unix operating systems.
      Mutt vs Thunderbird opinions
      Most users think Mutt is a great alternative to Thunderbird.
      Thunderbird users want a GUI mail application. Mutt is a command line mail application. They are both good and both popular, but very much apples and oranges.
      Negative comment about 2 years ago

      15
    7. Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.
      Delta Chat vs Thunderbird opinions
      pros, cons and recent comments
      GeminiDomino It doesn't let you read existing email, it's a chat client that uses an IMAP mail server as its back end
      Negative comment 7 months ago

      2
      BadTek More like an IM, not a full-featured email client.
      Negative comment 6 months ago

      1
      • FreeOpen Source
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      Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
      Sylpheed vs Thunderbird opinions
      Most users think Sylpheed is a great alternative to Thunderbird.
      It doesn't encrypt password storage and doesn't have Master Password function
      Negative comment about 3 years ago

      3
    8. KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
      Most users think Kontact - KMail is a great alternative to Thunderbird.
    Showing 10 of 37 alternatives