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.
RapidSSH - Get Console is the first ipad and iphone serial port application for cisco networking devices, providing serial connectivity without jailbreaking
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
xCute - Sending commands to a server can be as simple as sending a text message to a friend.
Better Uptime - We call you when your website goes down
MidpSSH - MidpSSH is an SSH and Telnet client for MIDP 1.0 / 2.