OpenLDAP - OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol. Novell eDirectory - Novell eDirectory is a Lightweight Directory Access Protocol (LDAP)-enabled, directory-based identity management system that centralizes the management of user identities, access privileges and other network resources. Symlabs - Offer virtual directory (featuring LDAP support), identity management and single sign-on solutions. NIS/LDAP Gateway - Gateway software for integrating LDAP in an NIS infrastructure IBM Tivoli Directory Server - Commercial LDAP server. Includes overview and technical information. Isode Directory Products - M-Vault is a high-performance LDAP Directory Server, including replication, high functionality access control and security management, graphical administration tools, and Web access. Apache Server mod_ldap.c - Module for the Apache Webserver to allow web-based authentication via an LDAP Server. Apache Module mod_auth_ldap - Module for Apache HTTP Server Version 2.0 that enables authentication of users against an LDAP directory.