TheOne Server Monitor Lite is using to monitor the healthiness of servers, such as Unix/Linux (PING/RSH), Web (HTTP/URL), e-mail (SMTP/POP3/IMAP), Database (MySQL) and Application (FTP / Telnet / DNS/ SNTP-TIME/ NNTP-NEWS/WMI Process Checking) servers. User can customize to monitor any TCP/UDP Port. Server Monitor will notify you by e-mail/SMS/Pager/SNMP/SysLog if any of your monitored servers or URLs cant be reached (or returns an unexpected response) a number of times.
Supports HTTP/URL, Ping, FTP, Telnet, POP3, SMTP, DNS, IMAP, NNTP, SNTP, RSH, WMI and any other TCP/UDP port you want to monitor.
Requirement :
[Operating System]
Server Monitor Lite supports the below OS :
1. Microsoft Windows XP
2. Microsoft Windows 2000 Server and Professional with SP4
3. Microsoft Windows 2003 Server
4. Microsoft Windows Vista
[Hardware Requirement]
Below hardware is required in order to install and run the Server Monitor Lite:
1. PIII processor (or equivalent) and later
2. 512MB RAM or above
3. 100MB Harddisk available space or above
4. 10/100 or wireless LAN card

The license of this software is Free Trial Software, the price is $39, you can free download and get a free trial.