iOS client for Proton Authenticator
Official Android implementation of a modern two-factor authentication
A free, secure and open source app for Android
Source code for 2FAS Auth Android app
Source code for 2FAS Auth iOS app
A native, lightweight and secure one-time-password (OTP) client
Two-Factor Authentication (2FA) client for Android + Wear OS
Source code for 2FAS Auth Browser Extension
Universal, standards-based auth provider
SikkerBox is a secure two-factor authentication (2FA) application, etc
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