I thought it might be interesting to see what utilities are used by other Network/System Admins to help them with their tasks. Personally, I use Dameware NT Utilities for remote connections, information gathering, etc.
http://www.dameware.com
I also use O&O Defrag for servers and clients to control defragging.
http://www.oo-software.com/en/
That's all of the out-side the norm things I can think