JpegDigger - JpegDigger is designed for recovering deleted photos from memory cards but it works on hard drives...
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.
myPhoto Recovery - myPhoto Recovery is a utility for recovery of lost and deleted photos.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Recuva - Accidentally deleted an important file? Lost files after a computer crash?
Better Uptime - We call you when your website goes down