The Yubico Authenticator is a graphical desktop tool and command line tool for
generating Open AuTHentication (OATH) event-based HOTP and time-based TOTP
one-time password codes, with the help of a YubiKey that protects the shared
secrets.

WWW: https://developers.yubico.com/yubioath-desktop/

Sponsored by: Gandi.net