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Seahorse vs Kleopatra: catalog facts
Seahorse	Kleopatra
Free Free and open source under the GPL-2.0-or-later license.	Free Free and open source.
Linux	Linux
Manages the GNOME keyring, PGP keys and SSH keys in one app Graphical alternative to gpg and ssh-keygen commands	Handles both OpenPGP and S/MIME certificates Key lookup through key servers, LDAP and WKD
Linux and GNOME focused A keyring manager rather than a full password manager with autofill	Certificate concepts can be daunting for newcomers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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