ente Authenticator
Features: End-to-end encrypted cloud backups and multi device synchronization. Offline mode and import & export tokens. It's the only open-source solution that is available for…
Open Source 2FA / Authenticators
The 2FA / Authenticators we recommend, filtered to Open Source. See all 2FA / Authenticators →
Aegis Authenticator
Aegis Authenticator: Encryption, Organization and Backups for Android
Yubico Authenticator
A TOTP authenticator app that stores one-time password secrets on a YubiKey hardware key rather than on the device, available on Windows, Mac, Linux, and Android.
2FAS
Features: Device synchronization, modern user-interface and backups. The main advantages are the browser extensions that enable one-tap authentication and no need to switch…
Raivo OTP
Unlisted for now because Raivo was sold, and the new owner wasn't able to clarify concerns listed in the GitHub discussion. The warning will be removed once the situation is…