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 https://alternativeto' 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. The best alternative is GnuPG, which is both free and Open Source. Other great apps like OpenPGP are iPGMail (Paid), Skizzle Email (Freemium, Open Source), S/MIME (Free, Open Source) and Minisign (Free, Open Source).

    This page was last updated May 11, 2021

      • 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.
      • 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.
      show more


    1. 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.
      show more
      • 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
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      Minisign is a dead simple tool to sign files and verify signatures. It is portable, lightweight, and uses the highly secure Ed25519 public-key signature system.
      No screenshots yet
    Showing 5 of 5 alternatives