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 Standard in RFC 9580.

All email applications on this page support the OpenPGP standard either directly or with additional software. The authors of this webpage are not actively participating in the development of each of …

This document contains all the necessary information to develop interoperable applications based on the OpenPGP format. It describes the format and methods needed to read, check, generate, and write …

OpenPGP is a non-proprietary format for authenticating or encrypting data, using public key cryptography. It is based on the original PGP (Pretty Good Privacy) software, created by Phil …

Email EncryptionGpg4win Gpg4win initiative does not only offer email encryption but a whole suite of tools. It can also be used for file encryption directly in the file explorer. Gpg4win is also the official …

Dec 30, 2021 · The software stores your OpenPGP certificates and keys. It is available for Windows and Linux. In association with the KMail email client, you can also take advantages of the cryptographical …

Aug 2, 2024 · The OpenPGP protocol defines standard formats for encrypted messages, signatures, private keys, and certificates for exchanging public keys. It is based on the Pretty Good Privacy …

Jan 17, 2025 · SecureMyEmail for Windows, Mac, iOS, iPadOS, and Android implements the OpenPGP standard to encrypt email. Encryption and decryption are handled seamlessly in-app.

Oct 27, 2023 · GpgFrontend supports some new features of OpenPGP. Features: Open source, free, no need to install. Can run on Windows, Linux and macOS. Just double-click, and then you can use it …

Oct 6, 2024 · The Stateless OpenPGP (SOP) CLI is a draft specification to enable users and applications to perform basic OpenPGP operations through a simplified, common command line syntax.