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.
OpenWiFiSpots - Hotspot location app
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
pttrns - iPhone and iPad user interface patterns
Better Uptime - We call you when your website goes down
Make.com - Tool for workflow automation (Former Integromat)