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.
COMODO Internet Security - Download Free Internet Security Software for Complete protection against viruses and attacks of your computers. Know what's new in Comodo Internet Security.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
ALYac Internet Security - Makes the World Safer, ESTsecurity
Better Uptime - We call you when your website goes down
AVG Internet Security - Stay safe online. AVG Internet Security gives you advanced protection against viruses, ransomware and other threats – for all your devices. Try it for free!