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
    384 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
    130 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
  • Mail Viewer

    1.5.2.0

    License
    free Download
    Platform
    Windows

    Practical mail viewer for Outlook and Thunderbird

    4
    12 votes
    • ImportExportTools

      1.6.1

      License
      free Download
      Platform
      Windows

      Import and export Thunderbird messages

      6
      17 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
        • Postbox

          3.0.7

          License
          buy Download
          Platform
          Windows
          Mac

          A promising alternative to Outlook

          7
          26 votes
          • PROS: Set up of accounts is easy, Accepts RSS feeds, Some social media integration, Clear design, Great inbox search
          • CONS: Some features feel under construction
        • 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
        • 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
          • 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
          • 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
          • 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
          • 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
          • 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
          • MenuEditor

            1.2.7

            License
            free Download
            Platform
            Windows

            Configure the Firefox and Thunderbird menus

            -
            No votes yet
            • Thunderbird Email Address Extractor

              2.0.7

              License
              buy Download
              Platform
              Windows

              -
              No votes yet
              • NokSync

                1.0.50

                License
                free Download
                Platform
                Java

                Synchronize contacts between Thunderbird and Nokia phones

                5
                7 votes
                • Plaxo Toolbar for Thunderbird

                  Beta 1.62

                  License
                  free Download
                  Platform
                  Windows

                  Access your Plaxo account from Thunder

                  10
                  1 vote
                  Softonic’s Best Rated Software for this topic
                  #NameVersionVotesRatingPlatform
                  1Beta 1.02877.9Windows, Mac
                  20.8437.4Windows, Windows Mobile
                  3EN 24.03847.3Windows, Mac
                  4(en-US) 17.0.81307.1Windows
                  53.0.7266.7Windows, Mac
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