Zohno Z-Term - The Easy-to-Use Active Directory User Termination Tool
Crowd Vox - Crowd Vox is a secured, robust, fully configurable, and customizable review script that helps you to create feature-rich business directories.
Anturis - Anturis offers hosted server monitoring software (SaaS) for both Windows and Linux.
NetWrix Auditor - Configuration Auditing of IT Infrastructure
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.