1)   NetInfo 6.6
NetInfo is a collection of 15 different state-of-the-art network tools on a single, easy-to-use interface that allows you to isolate faults, simplify processing of diagnostic data, and increase internal network security.

 2)   AdventNet ManageEngine OpUtils 4
The AdventNet ManageEngine OpUtils is a comprehensive set of 45+ unique system and network monitoring tools. This web-based software helps IT administrators monitor, diagnose and troubleshoot their IT resources. OpUtils is web-based and very quick.

 3)   Nsauditor Network Security Auditor 1.8.1
Nsauditor is a network security scanner that allows to audit and monitor network for possible vulnerabilities,checks methods that a hacker might use to attack it. Over 45 network tools for scanning,sniffing,enumerating and gaining access to machines.

 4)   Kiwi Logger 2.0
Kiwi Logger (KLOG) is a free suite of syslog message sending tools for Windows. The tools allow you to add syslog message sending capabilities, via UDP or TCP, to your applications. The syslog messages can be received by Kiwi Syslog Daemon

 5)   RemShutdown 2.2
RemShutdown allows remotely shutdown or restart network computers. You can specify a delay during which a message you specify can be displayed and applications running on the remote computer at the time of shutdown can be allowed to close.

 6)   Free Axence NetTools 3.2
A comprehensive set of FREE network tools: Port/Network Scanner finds all the nodes in a network; NetStat lists local connections; Service & Port Scanner checks for all open ports and running; TCP/IP workshop, NetCheck, ping, trace, lookup, bandwidth

 7)   NetGong 6.6
NetGong is a sophisticated network monitoring solution that allows you to monitor connectivity and device availability of your network.