WTFUtil - The personal information dashboard for your terminal.
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.
Devzat - Chat with other devs over SSH in your Terminal
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Terminal on FB Messenger - Take control of your terminal through Facebook Messenger
Better Uptime - We call you when your website goes down