Tools-related sites

ink	Description
Freeware downloads at SnapFiles	Formerly known as WebAttack. The freeware section has hundreds (if not more) of 100% freeware software.
JoeWare	An impressive collection of 100% freeware tools written by MS MVP Joe Richards, mostly in the Active Directory area.
NirSoft	100% free tools by Nir Sofer. Has many password recovery utilities, network monitoring tools, and other useful applications.
SomarSoft Utilities	Home for the DumpSec (formerly known as DumpAcl), DumpReg, and DumpEvt programs, as well as the Hyena Administration suit.
Sysinternals Freeware	"The Sysinternals web site provides you with advanced utilities, technical information, and source code related to Windows NT/2000/XP/2K3 and Windows 9x, Windows Me internals that you won't find anywhere else. Mark Russinovich and Bryce Cogswell alone write and update everything here." This is a MUST!
Tools by Peter Kostov	Nice freeware tools, mostly for TCP/IP and IE settings.