Download Thunderbird - Best Software & Apps

  • Mozilla Thunderbird

    EN 24.0

    License
    free Download
    Platform
    Windows
    Mac

    Excellent mail client from the makers of Firefox

    7
    378 votes
    • PROS: Free to use, Handles virtual identities, Lots of extensions , Easy to import contacts and mails, Support for Microsoft Exchange, Good learning spam filter, Strong encryption and support for certificates
    • CONS: Conversation style message view feature has to be downloaded seperately, Calendar needs to be downloaded seperately
  • Thunderbird Portable

    (en-US) 17.0.8

    License
    free Download
    Platform
    Windows

    Redesigned version of Thunderbird that you can take with you

    7
    129 votes
    • PROS: Allows you to take Thunderbird anywhere, Keep all your e-mails with you anywhere, Fits easily on a USB pen drive
    • CONS: Vulnerable to security breaches if lost, Synchronisation with mail server can be problematic
  • Mozilla Sunbird

    Beta 1.0

    License
    free Download
    Platform
    Windows
    Mac

    Calendar application from the creator of Firefox

    8
    287 votes
    • PROS: Clean simple interface, Good complement to Firefox and Thunderbird, Features add-ons
    • CONS: No integration with Outlook's calendar or Google Calendar, Not updated very often
  • Eudora (Penelope)

    b3 8.0.0

    License
    buy Download
    Platform
    Mac

    Send e-mail to and receive it from friends and coworkers

    7
    7 votes
    • PROS: Good feed reader, Import and export address book, Create filters, Thunderbird add-ons, Find as you type
    • CONS: Can be unstable
  • ImportExportTools

    1.6.1

    License
    free Download
    Platform
    Windows

    Import and export Thunderbird messages

    6
    17 votes
    • Mail Viewer

      1.5.2.0

      License
      free Download
      Platform
      Windows

      Practical mail viewer for Outlook and Thunderbird

      4
      12 votes
      • Thunderbird Fix It

        1.1

        License
        free Download
        Platform
        Windows

        Perform operations in Thunderbird's local folders like undeleting messages, removing attachments, removing duiplic. messages.

        10
        2 votes
        • MBOX to PST for Thunderbird to Outlook

          1

          License
          free Download
          Platform
          Windows

          MBOX to PST Converter for Thunderbird to Outlook Conversion. Download Free tool to Convert MBOX and MBX to Outlook PST.

          10
          1 vote
          • Eudora (Penelope)

            b5 8.0.0

            License
            buy Download
            Platform
            Windows

            Send e-mail to and receive it from friends and coworkers

            4
            6 votes
            • PROS: Good feed reader, Import and export address book, Create filters, Thunderbird add-ons, Find as you type
            • CONS: Can be unstable
          • ThunderBrowse

            3.2.1.2

            License
            free Download
            Platform
            Windows

            A browser integrated into Mozilla Thunderbird

            9
            4 votes
            • PROS: You don't require an external browser, Integrates perfectly into Thunderbird
            • CONS: Browser window is very small
          • Lightning

            0.8

            License
            free Download
            Platform
            Windows
            Windows Mobile

            Add a complete calendar to Thunderbird

            7
            43 votes
            • PROS: Integrates into Thunderbird, Easy to use
            • CONS: Too similar to Google Calendar
          • Postbox

            3.0.7

            License
            buy Download
            Platform
            Mac
            Windows

            Gmail style mail client based on Thunderbird

            7
            24 votes
            • PROS: Very easy to setup, Image browsing in e-mail looks great, Imports webmail, Facebook messages etc, Very quick searching
            • CONS: Doesn't import Gmail labels, Doesn't support SpamSieve
          • TranslateIt!

            Deluxe 14.0.1

            License
            buy Download
            Platform
            Mac

            Flexible and highly customizable translator

            4
            8 votes
            • PROS: Hover over word to translate, Multilingual, Consult in-built dictionary, Word quiz and flash cards, Supports Firefox, Thunderbird and Office
            • CONS: Hover window pops up everywhere
          • Profile Switcher

            1.5.0.1

            License
            free Download
            Platform
            Windows
            Mac

            Switch between different Firefox profiles

            -
            No votes yet
            • PROS: Allows you to easily switch between Firefox and Thunderbird profiles, Run two profiles at the same time, Prompts you before switching
            • CONS: Doesn't display name of profile in Firefox
          • Thunderbird Contacts Export

            License
            free Download
            Platform
            Pocket PC

            Transfer your Pocket PC contacts to the Mozilla email client

            7
            4 votes
            • PROS: Simple to use, Organises contacts very well
            • CONS: Doesn't work with other email clients
          • Thunderbird Email Address Extractor

            2.0.7

            License
            buy Download
            Platform
            Windows

            -
            No votes yet
            • Enigmail

              1.6

              License
              free Download
              Platform
              Windows

              Send encrypted mails via Thunderbird

              6
              4 votes
              • PROS: One of the easiest ways to encrypt mails, Per-Recipient rules, Auto encryption and decryption
              • CONS: You still need to install GnuPG, Configuration may seem a little difficult to some users
            • Plaxo Toolbar for Thunderbird

              Beta 1.62

              License
              free Download
              Platform
              Windows

              Access your Plaxo account from Thunder

              10
              1 vote
              • MenuEditor

                1.2.7

                License
                free Download
                Platform
                Windows

                Configure the Firefox and Thunderbird menus

                -
                No votes yet
                • NokSync

                  1.0.50

                  License
                  free Download
                  Platform
                  Java

                  Synchronize contacts between Thunderbird and Nokia phones

                  5
                  7 votes
                  Softonic’s Best Rated Software for this topic
                  #NameVersionVotesRatingPlatform
                  1Beta 1.02877.9Windows, Mac
                  2EN 24.03787.4Windows, Mac
                  30.8437.4Windows, Windows Mobile
                  4(en-US) 17.0.81297.1Windows
                  53.0.7246.6Mac, Windows
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