PingCastle - Because the Active Directory security lies in the process and not in expensive tools, our solution is simple: download PingCastle and apply its methodology.

Crowd Vox - Crowd Vox is a secured, robust, fully configurable, and customizable review script that helps you to create feature-rich business directories.

Sysmalogic AD Report Builder - Active Directory Report and Scheduler Quickly find AD info to match your clipboard content

Zohno Z-Term - The Easy-to-Use Active Directory User Termination Tool

ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.

LepideAuditor - LepideAuditor Suite - A change auditing software for Active Directory, GPO and Exchange Server.