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KGpg vs Seahorse: catalog facts
KGpg	Seahorse
Free Free and open source under the GPL.	Free Free and open source under the GPL-2.0-or-later license.
Linux	Linux
Simple interface over GnuPG Shows signatures, trust and expiry at a glance	Manages the GNOME keyring, PGP keys and SSH keys in one app Graphical alternative to gpg and ssh-keygen commands
Linux only Fewer features than Kleopatra, with no S/MIME support	Linux and GNOME focused A keyring manager rather than a full password manager with autofill
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0-or-later
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.