WebGazer is an uptime monitoring platform that checks if your website is up as it should be and notifies you if anything goes wrong
UptimeRobot - Free Website Uptime Monitoring
Checky - How many times a day do you check your phone?
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.
UnPlug - Track your iPhone usage & digital detox with Gamification
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Puzzlephone - Upcoming modular phone.