PA File Sight VS Purple Knight

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

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.

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.

StealthAUDIT Management Platform - STEALTHbits Technologies is a leader in the Microsoft Infrastructure and Application Management space, with solutions for Data Access Governance, Identity Access Management, Active Directory, and more.