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.
Phlap is a web frontend to manage Postfix+OpenLDAP. In fact, it's a simple ldap-browser which looks like an email account manager. It's build on PHP and it's gonna be multi-language and end-user oriented
Directory Manager is a tool for managing LDAP directory data. It includes a schema independant editor, a schema viewer and some pretty Views of the data. (And an easy way to create your own custom views). Directory Manager requires an LDAP v3 server.