if you spot a dead link or know an interesting site which is missing, please let us know :)
Program-Transformation.Org - The Program Transformation Wiki
RCE Forum
Fravias Reverse Engineering Pages (Mirror) alternative link
Fravias New Web Searching Page - Learn how to find ANYTHING on the WWW, Highly Recommended!
CrackZ's Reverse Engineering Page
OpenRCE
EXETools
EXETools Forum
Programmers' Tools
Unpacking Gods
Radare - a free advanced command line hexadecimal editor