This application provides an easy way to perform the most common
configuration tasks on a YubiKey.

Features:

* Display the serial number and firmware version of a YubiKey
* Configure a FIDO2 PIN
* Reset the FIDO Applications
* Configure the OTP Application. A YubiKey have two slots (Short
Touch and Long Touch), which may both be configured for different
functionality. This tool can configure a Yubico OTP credential,
a static password, a challenge-response credential or an OATH HOTP
credential in both of these slots.
* Manage certificates and PINs for the PIV Application
* Swap the credentials between two configured slots
* Enable and disable USB and NFC interfaces

Homepage:
https://developers.yubico.com/yubikey-manager-qt/
