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Apps with 'PGP Encryption' feature

  1. Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based
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  2. K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.


  3. Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.
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  4. The Amnesic Incognito Live System (Tails) is a Debian 9 based live CD/USB with the goal of providing complete Internet anonymity for the user.
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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.
  5. FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.
  6. Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
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  7. Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.
  8. AnonAddy is an open-source anonymous email forwarding service. The name AnonAddy is short for "anonymous email address". # Why should I use AnonAddy?
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  9. 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
    • Windows
    • Microsoft Office Outlook
    • S/MIME
    • GnuPG
    Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.
  10. We believe that Internet privacy is an absolute and definitive right. Online privacy matters and is just as important as offline privacy. Some people say that the loss of privacy is the price we must pay for security.
  11. Mutt is a small but very powerful text-based mail client for Unix operating systems.
  12. Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies.
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