Alternatives to S/MIME for all platforms with any license

  • OpenPGP

    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...

    Free Open Source Mac Windows Linux Web Windows Mobile ... Android iPhone Blackberry Chrome OS Android Tablet Windows Phone iPad Self-Hosted

    OpenPGP icon
  • iPGMail

    With governments and corporations increasingly infringing upon our privacy, we must take steps to protect our private communications and files. With OpenPGP encryption...

    Commercial $ $ $ iPhone iPad

    iPGMail icon
Know any alternatives we haven't listed?
We want more alternatives to S/MIME. Feel free to add any alternative that you know of, or ask your friends on  Twitter or Facebook if they can help out.


Show 13 less popular platforms

S/MIME Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about S/MIME? Just click the button up to your right!