Cold Turkey - Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
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.
Time Sink - Time Sink helps you track how you spend your time on your Mac.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Anti-Social - Anti-Social is a productivity application for Macs that turns off the social parts of the internet.
Better Uptime - We call you when your website goes down