Paessler WMI Tester is a tool for quickly and easily testing the accessibility of WMI counters. "Windows Management Instrumentation" is the latest technology from Microsoft for monitoring and managing Windows based systems. WMI allows a process to read data for many Windows' configuration parameters as well as current system status values. Access can take place locally or remotely via a network connection. WMI is based on COM and DCOM and is integrated in Windows 2000, XP, 2003, Vista and later. Add-ons are available for Windows 9x and NT4. Products like Paessler's IPCheck Server Monitor make use of the WMI functionality to monitor computers in network environments.
Tech-FAQ.com Subnet Calculator 1.0 - Subnet calculator for Microsoft Windows with support for CIDR (Classless Internet Domain Routing) and wildcard masks.
RoboTest 2.0.7 - RoboTest: Scheduled testing of your connection and information server performance. It's easy to use - select the type of test (ping, HTTP, POP3, SMTP) and the schedule you want. RoboTest provides success/failure percentages and response times.