WinAuth is not available for Linux but there are a few alternatives that runs on Linux with similar functionality. The best Linux alternative is Authy, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to WinAuth and three of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to WinAuth are Myki (Freemium) and OTPClient (Free, Open Source).
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.
GTK+ application for securely managing TOTP & HOTP tokens. Content is encrypted on disk using AES256-GCM. Master password derived using PBKDF2 with 100k iterations & SHA512 as hash algorithm. Can import encrypted backups from andOTP & Authenticator+.