The Yubico Authenticator is a graphical desktop 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.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/jbaldridge/yubioauth-desktop/