Source code for 2FAS Auth Android app
A free, secure and open source app for Android
Official Android implementation of a modern two-factor authentication
A Java-based LDAP API
FIDO® Certified StrongKey FIDO Server (SKFS)
SikkerBox is a secure two-factor authentication (2FA) application, etc
Open source two-factor authentication for Android
Forget passwords, use a fingerprint scanner or facial recognition