Alternatives to APG for all platforms with any license

  • GnuPG

    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...

    Free Open Source Mac Linux PortableApps.com Xfce OpenPGP

    Encrypted email Add a feature

    GnuPG icon

  • OpenKeychain

    OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you...

    Free Open Source Android Android Tablet K-9 Mail

    No features added Add a feature

    OpenKeychain 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...

    Free Open Source Mac GnuPG

    No features added Add a feature

    GPG Suite icon

  • GPGMail

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

    Free Open Source Mac GPGTools

    No features added Add a feature

    GPGMail icon

  • OneTime

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

    Free Open Source Mac Windows Linux

    Command line interface Add a feature

    OneTime 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 private (RSA, DSA, ECDSA) PGP keys...

    Commercial $ $ $ iPhone iPad

    No features added Add a feature

    iGPMail icon

  • Autocrypt

    Autocrypt is a set of guidelines for developers to achieve convenient end-to-end-encryption of e-mails. It specifies how e-mail programs negotiate encryption...

    Free Open Source Self-Hosted OpenPGP

    PGP Encryption Add a feature

    Autocrypt 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 S/MIME digitally signed and encrypted...

    Free Android S/MIME

    No features added Add a feature

    Ciphermail for Android icon

Platforms

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