A free, secure and open source app for Android
Two-Factor Authentication (2FA) client for Android + Wear OS
iOS client for Proton Authenticator
Official Android implementation of a modern two-factor authentication
One Time Password Authentication package, compatible with Google Auth
Source code for 2FAS Auth Android app
Identity & Single Sign On for all earthlings and beyond
PHP strong authentication library, web interface & CLI, OATH certified
Open source two-factor authentication for Android
Tomcat SPNEGO/Kerberos Authenticator and Active Directory Realm
Two-factor authentication for Node.js
two factor authentication management system
phpbb Multiple domain Single Sign on with wordpress plugin