Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
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.
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Foursquare - Foursquare is all about helping you find new ways to explore your city.
Better Uptime - We call you when your website goes down