Remo Duplicate File Remover - Remo Duplicate File Remover is a simple yet powerful duplicate file remover app that lets you easily search and remove duplicate files on your Android mobile and tablet.
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.
NetShred X - NetShred X is an internet cleaner for Mac that helps you to keep your online life clean and safe.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
CleanMyMac X - Clean, protect and speed up your Mac
Better Uptime - We call you when your website goes down