Example PAM module demonstrating two-factor authentication
Authenticator via oauth2, direct, email and telegram
Open source secure password manager
Web-based SSH console that centrally manages administrative access
PHP strong authentication library, web interface & CLI, OATH certified
OpenSK is an open-source implementation for security keys
Tomcat SPNEGO/Kerberos Authenticator and Active Directory Realm
two factor authentication management system
TOTP authenticator for Java ME
phpbb Multiple domain Single Sign on with wordpress plugin
Indoor short‑range radar system with PKI.