Zetetic.Ldap is a .NET 2.0 library for working with Lightweight Directory Interchange Format (LDIF) and LDAP as a wrapper around the high-performance System.DirectoryServices.Protocols namespace, simplifying the process of issuing changes and moves.
LinID Directory Manager provides a simple environment for developing ready-to-use Web interfaces built on top of a LDAPv3 compliant directory with CRUD, self editing, and delegation support. It is based upon a enhanced schema and dynamic access controls.
da is a command line script for creating and managing directory paths. You can associate a given directory with a small alias, which is faster to type and easier to remember. That shortcut can be substituted when changing directory by using the "j" command.