Free Port Monitor 1.0
Free Port Monitor is a free server and network ports monitoring software 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.
This free network tool will notice you when your website and network server becomes unavailable at first time, program can monitor and test for individual sites, applications, and networks, sends you an email each time your server goes down and when it goes back up.
Free Port Monitor is one useful network utility for all network administrators and webmasters; they can use this free tool to keep one eye on their servers, it can work with any arbitrary services running on TCP/IP.
Download: Free Port Monitor 1.0