A tutorial aid to navigating various LDAP and X.500 resources on the Internet

employee directory products help consolidate disparate employee data information into one resource.

A system for managing a variety of directory services, such as NIS, DNS, Samba, Sendmail, and tacacs+. (Java)

composed of companies with a common interest in the implementation, testing, deployment and usage of directory (both LDAP and X.500) products in the market place.

The Network Information Service (NIS) provides a simple network lookup service consisting of databases and processes. It was formerly known as Sun Yellow Pages (YP).

An enterprise-wide, vendor-independent solution that enables large end-user organizations and service providers to access, manage and maintain mission-critical data that is stored in different data repositories.

developers of standards based electronic messaging and directory software. The company provides E-commerce solutions based on secure embedded messaging.

metadirectory product for integration of NDS, NT, and Notes, directories.

The companion site to "Understanding Directory Services", a book providing a technical explanation of directory service technologies. Includes information on X.500, LDAP, Active Directory, and Novell Directory Services.