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.
wicd - Wicd is an open source wired and wireless network manager for Linux.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
iw - iw is a new nl80211 based CLI configuration utility for wireless devices.
Better Uptime - We call you when your website goes down
Ethtool - ethtool - utility for controlling network drivers and hardware