This is a free server and network port monitoring program for Windows system. Free Port Monitor can monitor many hosts port status at one time, can monitor and test all local network computers or remote hosts and servers. The program can support many hosts at the same time.
This free network tool will notice you when your website and network server becomes unavailable at first time. The program can monitor and test for individual sites, applications and networks. It sends you an email each time your server goes down and get another email when it goes back up (you need set the email server, username and password).