org.apache.directory.server:apacheds-http-integration (maven): ApacheDS is an embbedable directory server entirely written in Java, which has been certified LDAPv3 compatible by the Open Group. Besides LDAP it supports Kerberos 5 and the Change Password Protocol. It has been designed to introduce triggers, stored procedures, queues and views to the world of LDAP which has lacked these rich constructs. 
Keywords: directory|java|network-client|network-server