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  1. OpenPGP - OpenPGP

    Email encryption. For all operating systems. Standing the test of time. OpenPGP is the most widely used email encryption standard. It is defined by the OpenPGP Working Group of the …

  2. Gpg4win - OpenPGP

    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. …

  3. About - OpenPGP

    Sep 29, 2024 · Over the past decade, PGP, and later OpenPGP, has become the standard for nearly all of the world’s signed or encrypted email. OpenPGP also defines a standard format …

  4. Email Encryption - OpenPGP

    FlowCrypt iPGMail PGP Everywhere SecureMyEmail Linux Claws Mail Delta Chat Evolution: Seahorse KMail: Kleopatra Mutt Thunderbird: Autocrypt for versions <78 Enigmail for versions …

  5. Standard - OpenPGP

    Jan 17, 2025 · RFC 1991: PGP Message Exchange Formats RFC 2015: MIME Security with Pretty Good Privacy (PGP) RFC 2440: OpenPGP Message Format RFC 4880: OpenPGP …

  6. History - OpenPGP

    Aug 2, 2024 · OpenPGP is the open standards version of NAI’s PGP encryption protocol. The OpenPGP Working Group is seeking the qualification of OpenPGP as an Internet Standard as …

  7. Kleopatra - OpenPGP

    Dec 30, 2021 · Email EncryptionKleopatra Kleopatra is a certificate manager and GUI for GnuPG. The software stores your OpenPGP certificates and keys. It is available for Windows and …

  8. Developer Libraries/Tools - OpenPGP

    Jan 14, 2025 · OCaml PGP (OCaml) OpenKeychain API (Java) OpenPGP-PHP (PHP) OpenPGP.js (Javascript) PGPainless (Java) PGPy (Python) RNP (C++) rPGP (Rust) Sequoia …

  9. GPGFrontend - OpenPGP

    Oct 27, 2023 · Open-Source PGP EncryptionGPGFrontend GpgFrontend is a modern, easy-to-use, compact, cross-platform, and installation-free gpg front-end tool. By using GpgFrontend, …

  10. gpg4o - OpenPGP

    Apr 23, 2025 · Email Encryptiongpg4o Gpg4o is a Microsoft Outlook Add-in which implements the OpenPGP standard through GnuPG. It is available for Outlook 2016 and later (classic desktop …