GPG Suite brings OpenPGP encryption to macOS through a unified package: GPG Keychain for key management, GPG Mail for Apple Mail integration, GPG Services for system-wide encrypt/sign actions, and MacGPG as the underlying engine.
GPG Suite
Official website gpgtools.org
Our take
GPG Suite is the most polished way to use OpenPGP on a Mac, integrating cleanly into Apple Mail and the macOS Services menu so you can encrypt and sign without leaving your regular workflow. The core tools are free and open source; GPG Mail requires a paid support plan for continued use after a 30-day trial, which is a real cost to weigh for personal use. Skip it if you only need file encryption at the command line; reach for it if Apple Mail integration is the goal.
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GPG Suite alternatives
VERNAM A free, fully client-side file encryptor that runs in your browser. Drop in any file, set or generate a passphrase, and it seals the result into its own .vrn format. Nothing is ever uploaded, and it works offline.
VeraCrypt It can create a virtual encrypted disk that works just like a regular disk but within a file. It can also encrypt a partition or the entire storage device with pre-boot…
Cryptomator Cryptomator encrypts your data quickly and easily. Afterwards you upload them protected to a cloud service.
7-Zip File archiver with a high compression ratio and built-in encryption functionality.
GnuPG GnuPG (GNU Privacy Guard) is the free, GPL-licensed implementation of the OpenPGP standard. A command-line tool for Linux, macOS, and Windows, it encrypts and signs files and email, and manages public-key directories.
Gpg4win Gpg4win is the official Windows installer for GnuPG, bundling the Kleopatra certificate manager and GpgOL for Outlook integration. It provides OpenPGP and S/MIME encryption for files and email on Windows.