1)   power Informer XP 2 v3.0
Powerful tool for monitoring system activity with rich Graphic User Interface. It is very easy to use and it is very useful tool for professional, because that can quickly acces to all system information, but also it is very useful for beginers.
system info, hardware info, software info, WMI, active applications, enivironment variables, disk space, free disk space, active connections, TCP/IP,