Statseeker is a powerful network performance monitoring solution for businesses
Using just a single server or virtual machine, Statseeker can be up and running within minutes, and discovering your entire network in less than an hour, without any significant effect on your bandwidth availability.
LinScope is GUI(QT), portscanner with enumerating windows network shares
(SMB). LinScope can save favorites list. You can add
different ip address ranges and scan them apart or together.
Linscope searches FTP and HTTP services too.