Official Android implementation of a modern two-factor authentication
Source code for 2FAS Auth Android app
MaxKey SSO ,Leading-Edge IAM-IDaas(Identity and Access Management)
A free, secure and open source app for Android
FIDO® Certified StrongKey FIDO Server (SKFS)
iOS client for Proton Authenticator
Two-Factor Authentication (2FA) client for Android + Wear OS
Source code for 2FAS Auth iOS app
SikkerBox is a secure two-factor authentication (2FA) application, etc
A Java-based LDAP API
Identity infrastructure for developers, Auth0 open source alternative
PHP strong authentication library, web interface & CLI, OATH certified
IDaaS/IAM solution that can Auth to web and mobile applications
Open source two-factor authentication for Android
Forget passwords, use a fingerprint scanner or facial recognition
Token-based AngularJS authentication