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Sequoia PGP vs PGPony: catalog facts
Sequoia PGP	PGPony
Free Free and open source.	Free Free, with the source published under the Apache-2.0 licence.
Linux, Command line	Windows, macOS, Linux, Android, iOS
Written in memory-safe Rust Usable both as a library and through the sq command-line tool	Hardware key support over NFC with on-card key generation Interoperable with GnuPG and supports OpenPGP v6
Command-line only, with no graphical interface Much of the project is aimed at developers rather than end users	Young project compared with OpenKeychain or GnuPG Post-quantum keys need recipients with compatible software
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-2.0-or-later	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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