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 …

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, …

Sep 29, 2024 · 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, …

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 …

Jun 10, 2025 · 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. …

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 …

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 …

Jan 14, 2025 · All applications on this page implement the OpenPGP standard. The authors of this webpage are not actively participating in the development of each of these third-party apps.

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 …

Gpg4o is a Microsoft Outlook Add-in which implements the OpenPGP standard through GnuPG. It is available for Outlook 2016 and later (classic desktop versions, including Outlook 2021 and …