1)   DEKSI Network Monitor 5.3
DEKSI Network Monitor is an advanced, powerful, and feature rich tool that monitors servers located on your LAN, WAN, and the Internet. Windows 9X, NT, 2000, XP, 2003 Server, Vista compatible and can monitor the servers with any operating system.
network monitor, server monitor, SMTP, POP3, IMAP, NNTP, ICMP ping, NT event log, TCP/IP, network server software,

 2)   ServerObserver Network Monitor 4.1
ServerObserver Network Monitor can monitor various internet services, databases, Windows, and UNIX/LINUX systems. It informs you of error situations by sending an e-mail or SMS, etc. It lets you view the current status on the web.
Nerwork Monitor, Application Monitor, Alert, WMI, SNMP monitor,

 3)   Advanced Host Monitor 5.92
HostMonitor is a system management tool that continuously monitors servers availability and performance. It has 56 test methods, 27 alert methods, highly flexible report and log manager. Package includes Log Analyzer, Web Service and other utilities.
monitor, network monitor, LAN monitor, host monitor, IP monitor, snmp monitor, web monitor, cpu monitor, SQL Monitor, advanced monitor,

 4)   DEKSI LAN Manager 1.8
DEKSI LAN Manager is an advanced, powerful, and feature rich program designed for high speed network management. DEKSI LAN Manager provides network management, discovery and monitoring software for networks.
network monitor, server monitor, network server software, network administration, LAN monitor, host monitor, IP monitor, snmp monitor, web monitor, cpu monitor,

 5)   DEKSI Network Analyzer 4.0
An advanced, powerful, and feature rich network mapping, monitoring, management, and administration software solution.
network monitor, server monitor, network traffic monitor, network bandwidth monitor, network server software, network administration, networking, network management, LAN monitor, host monitor,

 6)   DEKSI Network Manager 4.9
DEKSI Network Manager is an advanced and powerful network monitoring tool. It can continuously monitor the state of your servers, various network services, databases and more over the network seven days a a week, twenty-four hours a day.
network monitor, server monitor, SMTP, POP3, IMAP, NNTP, ICMP ping, NT event log, TCP/IP, network server software,