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.
Cookie AutoDelete - Control your cookies! Auto deletes unused cookies from your closed tabs while keeping the ones you...
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Cookie Manager - This Cookie Manager allows you to quickly view and edit specific cookies.
Better Uptime - We call you when your website goes down
Cookiebro - With Cookiebro you can manage/filter/block browser cookies that can be used to track you online.