One Time Password Authentication package, compatible with Google Auth
Apereo CAS WAR Overlay template
Source code for 2FAS Auth Android app
Source code for 2FAS Auth iOS app
iOS client for Proton Authenticator
An open-source Identity and Access Management (IAM)
Identity management and federations integration
DebianDC is a Active Directory Domain Controller distribution
Tool to quickly set up an LDAP server
Two-factor authentication system