What are some alternatives?
When comparing Ctatus and DownDetector, you can also consider the following products
StatusNotify - StatusNotify monitors the status of 250+ cloud services.
Outage.Report - See if your provider or web service is having an outage or it's just you. Post yours and see other's reports and complaints
Feedsme - Feedsme is the business cloud services assistant that automatically integrates, analyzes and...
IsItDown RightNow - "Is It Down Right Now" monitors the status of your favorite web sites and checks whether they are down or not.
StatusGator - Status page monitoring
Healthchecks.io - Monitor your cron jobs and scheduled tasks, get notified when they fail.