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.
Topia - Create amazing wallpapers for your iPhone
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Gather Town - Spatial video-chat worlds for work and play
Better Uptime - We call you when your website goes down
VRChat - Create and play in virtual worlds with others