DC Monitor is an effective free tool to help administrator in monitoring and evaluating state of Domain Controllers and their performance.
Lepide Local User Management
User Management eliminates the need to manage user accounts locally; use this freeware to enable/disable accounts remotely as well as reset the passwords.
Lepide Active Directory Query
A free and advanced directory tool to display detailed information of all objects saved by the user and helps the administrator keep the information on finger-tips.
Lepide Offline Folder Report
Free tool to generate offline folder reports that display OST and non-OST users. An ideal tool that runs with administrator credentials.