One Time Password Authentication package, compatible with Google Auth
A free, secure and open source app for Android
Source code for 2FAS Auth Android app
Source code for 2FAS Auth iOS app
Two-Factor Authentication (2FA) client for Android + Wear OS
iOS client for Proton Authenticator
A native, lightweight and secure one-time-password (OTP) client
Official Android implementation of a modern two-factor authentication
PHP strong authentication library, web interface & CLI, OATH certified
Open source two-factor authentication for Android
Single Sign On Server for Windows
Two-factor authentication for Node.js
two factor authentication management system