A Java-based LDAP API
FIDO® Certified StrongKey FIDO Server (SKFS)
Identity management and federations integration
Tomcat SPNEGO/Kerberos Authenticator and Active Directory Realm
JNDI DirContext source builder utility
Mature LDAP, LDIF and DSML client with i18n support.
Identity4J is a suite of Java Identity and Authentication Connectors
NTLMv2 authentication library and filter for Java
The Identity Manager provides a solution to manage the user life cycle
Open Source Web Single Sign-On
LDAP client providing user friendly access to global address books.