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OpenPGP Alternatives

OpenPGP is described as 'is 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 a Privacy Tool in the security & privacy category. There are five alternatives to OpenPGP for a variety of platforms, including Mac, Linux, Windows, iPhone and iPad. The best alternative is GnuPG, which is both free and Open Source. Other great apps like OpenPGP are iPGMail, Skizzle Email, S/MIME and Minisign.

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OpenPGP iconOpenPGP
  5
  • FreeOpen Source
  • Mac
  • Windows
  • Linux
  • Online
  • Windows Mobile
  • Android
  • iPhone
  • Blackberry
  • Chrome OS
  • Android Tablet
  • Windows Phone
  • iPad
  • Self-Hosted

OpenPGP is the most widely used email encryption standard. It is defined by the OpenPGP Working Group of the Internet...

Learn more about OpenPGP

  1. GnuPG icon

    GnuPG

    • 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.

    GnuPG Shell running GnuPG on Windows
  2. iPGMail icon

    iPGMail

    • iPhone
    • iPad

    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.

    Screenshot


  3. Skizzle Email icon

    Skizzle Email

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Software as a Service (SaaS)

    Browser Extension that allows users to share secure end-to-end encrypted file attachments through email, where users own and control their keys and data, without the hassle of managing/storing them.

    Login with your regular email account to fetch your keys, and set a password to protect them.
  4. S/MIME

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

    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.

    No screenshots yet
  5. Minisign

    • FreeOpen Source
    • Mac
    • Windows
    • Linux

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

    No screenshots yet
Showing 5 of 5 alternatives