Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Crowd Vox - Crowd Vox is a secured, robust, fully configurable, and customizable review script that helps you to create feature-rich business directories.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Zohno Z-Term - The Easy-to-Use Active Directory User Termination Tool
Better Uptime - We call you when your website goes down
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.