Compare software

OATH Toolkit vs OTPClient: catalog facts
OATH Toolkit	OTPClient
Free Free software; tools use GPL-3.0-or-later and libraries use LGPL-2.1-or-later.	Free Free and open source under the GPL-3.0 license.
Command line	Linux, Command line
Generates and validates HOTP and TOTP codes Includes tools for managing PSKC data	Multiple encrypted token databases Supports TOTP, HOTP and Steam Guard codes
The tools use GPLv3-or-later and the libraries use LGPLv2-or-later.	Desktop Linux only, no mobile app Handles one-time codes only, not passwords
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later AND LGPL-2.1-or-later	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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