GNU Privacy Guard

GnuPG

Open Source GPL-3.0

The standard for OpenPGP encryption and signing

Website
gnupg.org
Difficulty
●●● Advanced
Last check
2026-08-21

Description

GnuPG (GNU Privacy Guard) is the complete and free implementation of the OpenPGP standard. It lets you encrypt and sign data and communications using public-key cryptography, manage your keys, and build a web of trust. GnuPG underpins encrypted email, signed software releases and countless security tools, and is available as a command-line utility plus graphical front-ends such as Kleopatra and GPG Suite. As a battle-tested, audited and ubiquitous tool, it remains the foundation of open-source encryption for files, email and code signing.

Preview

Platforms

Linux Windows macOS

Replaces the following proprietary tools

Proprietary PGP GnuPG

Tags

#encryption #openpgp #signing #cli #public-key #standard
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