Enigmail Alternatives

    Enigmail is described as 'security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the ' and is a popular app in the Security & Privacy category. There are more than 25 alternatives to Enigmail for a variety of platforms, including Mac, Linux, Windows, Online / Web-based and Android. The best alternative is Tutanota, which is both free and Open Source. Other great apps like Enigmail are GnuPG (Free, Open Source), mailbox.org (Paid), Mailvelope (Free, Open Source) and Vivaldi Mail (Free).

    This page was last updated Sep 24, 2021

    1. Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps.
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      • FreeOpen Source
      • Mac
      • Linux
      • PortableApps.com
      • Xfce
      • OpenPGP
      GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.


    2. mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.org, is easy to remember and can be understood anywhere in the world. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Chrome OS
      • Microsoft Edge
      • Google Chrome
      • Firefox
      Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard. Mailvelope integrates directly into the Webmail user interface, it's elements are unintrusive and easy to use in your normal workflow.
    3. Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • ProtonMail
      • Electron / Atom Shell
      • Tutanota
      ElectronMail is an Electron-based unofficial desktop client for ProtonMail and Tutanota end-to-end encrypted email providers. The app aims to provide enhanced desktop user experience enabling features that are not supported by the official in-browser web clients.
      • FreeOpen Source
      • Android
      • Android Tablet
      • K-9 Mail
      OpenKeychain helps you communicate more privately and securely.
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    4. Protonmail provide encrypted email. Bridge is a Win/Mac/Linux app developed by Protonmail to allow the encrypted email account to be used with local email clients, like Thunderbird or MS Outlook.
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    5. Simple end-to-end encryption to secure email and attachments on Gmail, Outlook or any other email provider. - Sets up in a few taps - Send encrypted email and attachments to anyone
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    6. Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
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    Showing 10 of 25 alternatives