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Authenticator vs Clockode: catalog facts
Authenticator	Clockode
Free Free and open source under the GPL 3.0 or later.	Free Clockode is open source under the GPL-3.0 license.
Linux	Linux
Supports both TOTP and HOTP codes Fits in with the GNOME desktop	Stores tokens in an encrypted local vault Imports entries from QR codes
Built for Linux desktops only Codes live on the desktop rather than on a phone you carry	Vault syncing must be set up separately.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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