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GnuPG vs Sequoia PGP: catalog facts
GnuPG	Sequoia PGP
Free Free and open source under the GPL.	Free Free and open source.
Windows, macOS, Linux, Command line	Linux, Command line
The reference free OpenPGP implementation, present everywhere Smartcard and hardware token support through its agent	Written in memory-safe Rust Usable both as a library and through the sq command-line tool
Key management and the command line are famously unforgiving Defaults and trust models confuse newcomers into unsafe practice	Command-line only, with no graphical interface Much of the project is aimed at developers rather than end users
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: LGPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.