Tools

Here is a (short) list of free tools:

Memory dumpers:

win32dd

mdd


Network Connections:

Fport


Various other resource information:

PsTools

Userdump


Analysis:

Cygwin Linux emulator for windows

Volatility (XP only)

PtFinder (2000/XP/Vista)


Additional (not needed if Cygwin is installed):

Python

Perl