isMeUp

This is an application which allows you to stay informed about your server's health and failures.
Supported next check types:
- PING test;
- TCP-Port test;
- HTTP OK test;
- Page load time test;
- SSL certificate expiration test;
- Search for a string on page;
And also, after installing our open-source Monitor tool to your server:
- Server's uptime;
- Memory usage;
- Load average;
- Disk usage

This application also gives you ability to perform monitoring of servers, which doesn't have real IP address. For more information about this look into "Watchers" section in the application