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.
Heat Sync - Track and compare any website, your own and your competition
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Turntable Kitchen Pairings Box - A monthly music & recipe subscription box
Better Uptime - We call you when your website goes down
NOPHONEZONE - Share how long you can last without using your phone