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

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