PassMark Fragger - Passmark Fragger lets you frag and defrag files in a controlled environment according to...
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.
SpeeDefrag - SpeeDefrag is the exclusive freeware program, which optimizes Windows defrag.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
MyDefragGUI - Windows freeware defragmentation and optimization - MyDefragGUI and the legacy JkDefragGUI.
Better Uptime - We call you when your website goes down