- simulating networks, a tool to simulate routing between thousands of wireless access points. Cool stuff, considering that 'hot spots' are getting more and more popular. http://nab.epfl.ch/
- http://www.tools4ever.com/products/monitormagic/ - MonitorMagic is a proactive server and network monitoring and reporting tool for Windows 2003/XP/2000/NT servers, workstations and SNMP devices and supports agentless monitoring. MonitorMagic supports Windows and UNIX based resources such as memory, disk and CPU load and optionally records the values into a database to enable graphical trending and reporting. MonitorMagic ships with predefined policies for popular hardware and applications.
How to Saturate a GigE network
Pretty funny if you have a dislike for Windows are are Security oriented: http://the-edge.blogspot.com/2003_12_07_the-edge_archive.html#107118435410528651
See also Networking, Testing