1)   Net-Probe 1.0.1
Net-Probe scans and draws a graphical representation of a network, offers integrated network monitoring with graphs, alarms and service checks. Combining many essential tools in a single flexible framework required by all network administrators.
network layout, network diagram, scan network, network monitoring, bandwidth graphs, network alarms, graphs, alarms, Ping, TraceRoute,

 2)   Advanced Port Scanner 1.3
Advanced Port Scanner is a small, fast and easy-to-use Port Scanner for Windows. It is multithreaded, so you can scan ports in just a few seconds. Also, it contains descriptions for common ports, and can perform scans on predefined port ranges.
IP scanner, LAN scanner, port scanner, port search, netbios info, multithreaded, network scanner,

 3)   EMCO EventLog Audit 1.0
EMCO Eventlog Audit collects the eventlog from the computers on the LAN, to a database where you can search for any details such as Event ID, Type, Category, Source, User SID, String from the Event description and Time period.
network scanner, syslog, event log, scan events, network tools,

 4)   Infiltrator Network Security Scanner 3.0
Infiltrator is an intuitive network security scanner that can quickly audit computers for vulnerabilities, security holes and exploits, and information enumerations. Infiltrator can reveal security holes and alert the user.
Infiltrator, Network Scanner, Network, Auditing, Security, Network Auditing,