Serverchkr will check a list of your servers continually and notify you immediately when any one goes offline. Alerts can be by email, text, or pager. It reports cummulative uptime as well, for performance measurement and for identifying weak links. Serverchkr checks on servers both on your internal network and externally, on the public internet, with equal ease. Cover all with a single app, with less fuss. Use it for web servers, mail servers, FTP servers, file servers, print servers, load balancers, application servers, directory servers, authentication servers and more. Ultrahight reliability, and many advanced features. Runs on any Windows or Linux PC or server and checks servers running any operating system. Quick, easy installation and maintenace-free continuous operation in the background. Light on your network, its host, your time and your wallet. Free for 10 targets without time limit, and only pennies per month per target above that. Download and install it now.