S/MIME AlternativesPrivacy Tools and other similar apps like S/MIME

S/MIME is described as '(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' and is a Privacy Tool in the security & privacy category. There are 2 alternatives to S/MIME for a variety of platforms, including iPhone, iPad, Self-Hosted, Blackberry and Chrome OS apps. The best S/MIME alternative is OpenPGP, which is both free and Open Source.

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Alternatives list

  1. OpenPGP icon

    OpenPGP

     17 likes
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    OpenPGP 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 .

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Windows Mobile
    • Android
    • iPhone
    • Blackberry
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • Self-Hosted
     

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

    • OpenPGP is the most popular Open Source & free alternative to S/MIME.

    • OpenPGP is Free and Open SourceS/MIME is also Free and Open Source
  2. iPGMail icon

    iPGMail

     3 likes
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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 commercial alternative to S/MIME.

    • iPGMail is Paid and ProprietaryS/MIME is Free and Open Source
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