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.
Conky - Latest commit 262a292 on Dec 7, 2017 brndnmtthws Add missing build dep. Conky is a free, light-weight system monitor for X, that displays any kind of information on your desktop.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Bginfo - This fully-configurable program automatically generates desktop backgrounds that include important information about the system.
Better Uptime - We call you when your website goes down
GKrellM - GKrellM is a single process stack of system monitors which supports applying themes to match its...