Bulk AD Users is a tool that makes it easy to perform bulk updates to Active Directory User account attributes. Previously you might have wrote scripts to perform these types of updates or gone through a very tedious process of performing these updates one at a time via the ADU&C interface. Bulk AD Users makes this process much simpler and also provides an XML log file that allows you to undo any unwanted updates. The application has powerful query capabilities that allow you to target updates to only the required user accounts and number of methods are available for updating user account data depending on your specific requirements
The LDAP Browser : A powerful LDAP client on Windows with rich features. An LDAP browser and client for administrators of directories like OpenLDAP, Active Directory, eDirectory, iPlanet, DirX, 389 Directory Server... Helpful when you develop LDAP applications or when you maintain and automate your directory environment with scripts.