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

NetWrix Auditor - Configuration Auditing of IT Infrastructure

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

Fileaudit - FileAudit monitors, archives and reports on access (or access attempts) to sensitive files and folders stored on Microsoft Windows systems.

Imperva - Imperva data center security provides tools to combat attack, theft, and fraud, mitigate risk, and streamline regulatory compliance.

PA File Sight - PA File Sight monitors access to critical server files.