BMC Directory Management and Visualization - Design and development environment for LDAP directory based applications. Works with all major LDAP vendors' solutions. - http://www.bmc.com/products/products_services_detail/0,2833,19052_19426_31215906,00.html
Apache Module mod_auth_ldap - Module for Apache HTTP Server Version 2.0 that enables authentication of users against an LDAP directory. - http://httpd.apache.org/docs/2.0/mod/mod_auth_ldap.html
LDAP Schema Viewer - Information about the viewer by AK BK Home. Includes details of its current status, common questions, and object classes. - http://ldap.akbkhome.com/
web500gw: A WWW - LDAP/X.500 Gateway - A piece of software that is a customizable web frontend to LDAP /X.500 Servers. web500gw is also part of the OpenLDAP software. - http://web500gw.sourceforge.net/
DSML Tools - Java implementation of an LDAP to DSML bi-directional gateway. (DSML stands for Directory Services Markup Language - an XML dialect for directory data). - http://www.dsmltools.org/
Persistent Data Infrastructure - Range of productst that allow interoperability between relational databases (RDBMS) and directory services (LDAP). - http://www.persistentsys.com/products.htm
Apache Server mod_ldap.c - Module for the Apache Webserver to allow web-based authentication via an LDAP Server. - http://mod-ldap.sourceforge.net/
LDAP Schema Converter - Aids the conversion of objectClass and attributeType descriptions from LDAPv3 to slapd.conf format. - http://www.arturschneider.de/ldap.html