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PGPony vs Kleopatra: catalog facts
PGPony	Kleopatra
Free Free, with the source published under the Apache-2.0 licence.	Free Free and open source.
Windows, macOS, Linux, Android, iOS	Linux
Hardware key support over NFC with on-card key generation Interoperable with GnuPG and supports OpenPGP v6	Handles both OpenPGP and S/MIME certificates Key lookup through key servers, LDAP and WKD
Young project compared with OpenKeychain or GnuPG Post-quantum keys need recipients with compatible software	Certificate concepts can be daunting for newcomers
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
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 24, 2026

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