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.
Gource - Gource is a software version control visualization tool.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Codeology - Open-source algorithm that visualizes GitHub projects
Better Uptime - We call you when your website goes down
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style