Alternatives to APG for all platforms with any license

  • GnuPG icon

    GnuPG

    GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for...

    Open Source Mac Linux Xfce

  • Enigmail icon

    Enigmail

    Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

  • OpenKeychain icon

    OpenKeychain

    OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages...

    Open Source Android Android Tablet K-9 Mail

  • GPGMail icon

    GPGMail

    GPGMail is an open source plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the...

    Open Source Mac

  • GPG Suite icon

    GPG Suite

    GPG for Mail is an open source plugin for Apple Mail. Encrypt, decrypt, sign and verify mails using OpenPGP with a few simple clicks....

    Open Source Mac

  • WebPG icon

    WebPG

    WebPG is a free, open source suite of tools to bring GnuPG/PGP (gpg, gnupg) to the browser, in an effort to make cryptographic methods...

    Open Source Mac Windows Linux Chrome Thunderbird SeaMonkey ... Chromium Firefox

  • iGPMail icon

    iGPMail

    iPGMail is an app that implements the OpenPGP standard (RFC 4880, RFC 6637) and allows the user to create and manage both public and...

    Commercial iPhone iPad

  • OneTime icon

    OneTime

    OneTime is an open source encryption program that uses the one-time pad algorithm to allow two parties to communicate privately. It...

    Open Source Mac Windows Linux

  • oPenGP icon

    oPenGP

    oPenGP is a solution to support OpenPGP standard (RFC 4880) on your iOS device.

    Commercial iPhone iPad

  • Ciphermail for Android icon

    Ciphermail for Android

    CipherMail for Android is an Android application which can be used with your existing Android mail application to send and receive...

    Free Android

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