PAC Manager - PAC Manager
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.
sshmenu - SSHMenu is a GNOME panel applet* that keeps all your regular SSH connections within a single mouse...
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Lterm - Lterm is a terminal emulator for GNU/Linux systems.
Better Uptime - We call you when your website goes down