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

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

S/MIME email encryption and digital signatures for Android devices

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

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

Kleopatra is a certificate manager and a universal crypto GUI. It supports managing X.509 and OpenPGP certificates in the GpgS ...

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

Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages sign ...

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

GPGMail is a PGP plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the OpenP ...

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

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