Download Thunderbird - Best Software & Apps

  • Mozilla Thunderbird

    Mozilla Thunderbird60.6.1

    License
    free Download
    Platform
    Windows
    Mac

    Excellent mail client from the makers of Firefox

    7
    391 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

    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

    Mozilla SunbirdBeta 1.0

    License
    free Download
    Platform
    Windows
    Mac

    Calendar application from the creator of Firefox

    8
    289 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
  • Mail Viewer

    Mail Viewer1.5.2.0

    License
    free Download
    Platform
    Windows

    Practical mail viewer for Outlook and Thunderbird

    4
    12 votes
    • ImportExportTools

      ImportExportTools1.6.1

      License
      free Download
      Platform
      Windows

      Import and export Thunderbird messages

      6
      17 votes
      • Thunderbird Fix It

        Thunderbird Fix It1.1

        License
        free Download
        Platform
        Windows

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

        10
        2 votes
        • Eudora (Penelope)

          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
        • QuickMigrations Thunderbird to Outlook

          QuickMigrations Thunderbird to Outlook1.0

          License
          buy Download
          Platform
          Windows

          -
          No votes yet
          • ThunderBird VPN - Smart Proxy

            ThunderBird VPN - Smart Proxy15.8

            License
            free Download
            Platform
            Mac

            Free VPN Proxy Application for Personal Use

            -
            No votes yet
            • PROS: More than 20 countries are included within this VPN network., 30 minutes are offered to the user every day.
            • CONS: Payment plans cannot be cancelled during the active subscription period., Access to more reliable connections and faster speeds will generally require a paid account.
          • Postbox

            Postbox3.0.7

            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
          • Lightning

            Lightning0.8

            License
            free Download
            Platform
            Windows

            Add a complete calendar to Thunderbird

            7
            43 votes
            • PROS: Integrates into Thunderbird, Easy to use
            • CONS: Too similar to Google Calendar
          • Eudora (Penelope)

            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
          • TranslateIt!

            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
          • SysBud Thunderbird to Outlook Converter

            SysBud Thunderbird to Outlook Converter1.0

            License
            buy Download
            Platform
            Windows

            8
            1 vote
            • ThunderBrowse

              ThunderBrowse3.2.1.2

              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
            • MBOX to PST for Thunderbird to Outlook

              MBOX to PST for Thunderbird to Outlook1

              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
              • Thunderbird to Outlook Converter Tool

                Thunderbird to Outlook Converter Tool1.0

                License
                buy Download
                Platform
                Windows

                -
                No votes yet
                • Enigmail

                  Enigmail1.6

                  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
                • MailsDaddy Thunderbird to Outlook

                  MailsDaddy Thunderbird to Outlook3.0

                  License
                  buy Download
                  Platform
                  Windows

                  10
                  1 vote
                  • Profile Switcher

                    Profile Switcher1.5.0.1

                    License
                    free Download
                    Platform
                    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
                  Softonic’s Best Rated Software for this topic
                  #NameVersionVotesRatingPlatform
                  1Mozilla SunbirdBeta 1.02897.9Windows,Mac
                  2Lightning0.8437.4Windows
                  3Mozilla Thunderbird60.6.13917.3Windows,Mac
                  4Thunderbird Portable(en-US) 17.0.81307.1Windows
                  5Postbox3.0.7266.7Windows,Mac
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