OpenPGP Alternatives

OpenPGP is described as 'The most widely used email encryption standard. It is defined by the OpenPGP Working Group of the Internet Engineering Task Force (IETF) as a Proposed Standard in RFC 4880. OpenPGP was originally derived from the ' and is an app in the security & privacy category. There are five alternatives to OpenPGP for a variety of platforms, including Mac, Linux, Windows, iPhone and iPad apps. The best OpenPGP alternative is GnuPG, which is both free and Open Source. Other great apps like OpenPGP are iPGMail, S/MIME, Xecrets Ez and Minisign.

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Alternatives list

  1. GnuPG icon

    GnuPG

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    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.

    41 GnuPG alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Linux
    • PortableApps.com
    • Xfce
    • OpenPGP
    GnuPG Shell running GnuPG on Windows
     

    • GnuPG is the most popular Mac & Linux alternative to OpenPGP.

    • GnuPG is the most popular Open Source & free alternative to OpenPGP.

    • GnuPG is Free and Open SourceOpenPGP is also Free and Open Source
  2. iPGMail icon

    iPGMail

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    With governments and corporations increasingly infringing upon our privacy, we must take steps to protect our private communications and files. With OpenPGP encryption, you can secure your messages and files to ensure that only the intended recipients are able to read them.

    3 iPGMail alternatives

    Cost / License

    • Pay once
    • Proprietary

    Platforms

    • iPhone
    • iPad
    iPGMail screenshot 1
    iPGMail screenshot 2
    iPGMail screenshot 3
     

    • iPGMail is the most popular iPhone & iPad alternative to OpenPGP.

    • iPGMail is the most popular commercial alternative to OpenPGP.

    • iPGMail is Paid and ProprietaryOpenPGP is Free and Open Source

  4. S/MIME

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    S/MIME (Secure/Multipurpose Internet Mail Extensions) is a standard for public key encryption and signing of MIME data. S/MIME is on an IETF standards track and defined in a number of documents, most importantly RFCs 3369, 3370, 3850 and 3851.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Blackberry
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
     

    • S/MIME is the most popular Web-based, Windows, Android & Android Tablet alternative to OpenPGP.

    • S/MIME is Free and Open SourceOpenPGP is also Free and Open Source
  5. Xecrets Ez icon

    Xecrets Ez

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    Xecrets Ez is an easy to use personal desktop application available for Windows, Mac and Linux. It is 100% compatible with AxCrypt, but is less complex without the bells and whistles.

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    Main window, can also be minimized to tray.
     

  6. Minisign

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    A dead simple tool to sign files and verify digital signatures.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
5 of 5 OpenPGP alternatives