WinAuth is not available for Mac but there are a few alternatives that runs on macOS with similar functionality. The best Mac alternative is Authy, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to WinAuth and four of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to WinAuth are Myki (Freemium), OTP Auth (Freemium) and Obsidian - Elegant OTP Authenticator (Free).
Myki is an offline password manager that securely stores your sensitive data on your smartphone. The Myki app connects with your computer in a P2P encrypted manner to auto-fill your passwords and create secure backups of your data.
The app for calculating one-time-passwords on iPhone and iPad. OTP Auth can be used with any service that uses one time passwords. This includes services like Dropbox and GMail with two-step-verfification enabled. OTP Auth is QR code enabled.