LDAP Account Manager (LAM) is a webfrontend for managing accounts stored in an LDAP directory. You can use templates for account creation and use multiple configuration profiles. Account information can be exported as PDF file.
Ldapmenu is a tool for managing an LDAP database for PSOIX users. It works in Linux, Sun, Tru64, HP-UX all from one console. It offers user/group/host/application management. This is a tool but also contains OpenLDAP setup instructions.