Advanced Port Scanner is a small, very fast, easy-to-use and robust port scanner for the Win32 platform. It is multithreaded, so on fast machines you can scan ports in very a few seconds. It has descriptions for the common ports and can perform scan on predefined port ranges.

ServersCheck STANDARD Edition
ServersCheck is a software application for round-the-clock monitoring, reporting and alerting on the availability of systems. It includes real-time HTML reports, graphs and Service Level details. ServersCheck can be administrated through a browser.

Advanced IP Address Calculator
It is a freeware Windows 95/98/NT/2000/XP utility that lets you to calculate every aspect of your subnet configuration in a few mouse clicks! It was designed for any network engineer who needs a fast way to determine subnets.

WinLock Remote Administrator
A new security application that makes networks safer and administrators' life easier. Remote Administrator provides remote (IP-based) configuration of WinLock and WinLock Professional clients by means of a comfortable and easy-to-use interface.

Asset Tracker for Networks
This program is used to audit software and hardware components installed on the network PCs. It will collect your network inventory information, provide you with the detailed reports and allow you to export assets details to SQL database or web site

NetworkActiv AUTAPF
Configurable UDP and TCP port forwarding for Windows. Define IP address ranges to allow or block for each port being forwarded. Have program forward multiple ports simultaneously. Have program log connection events to a text file. 100% freeware.