1)   Advanced Host Monitor 7.20
HostMonitor is a system management tool that continuously monitors servers availability and performance. It has 60 test methods, 30 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,

 2)   DEKSI Network Analyzer 6.2
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,

 3)   DEKSI LAN Manager 1.74
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, SMTP, POP3, IMAP, NNTP, ICMP ping, NT event log, TCP/IP, network server software,