Fravias Temple of reverse engineering , the best source on the net for knowledge

Lord Caligo's site. Good for finding tools.
Unfortnunatley he has discontinued his site. Search and find his Mirrors on the webb

Cracking 4 U. A good collection of cracking tutorials.

Simple one of the best FTP Search Engines

A Complete book on assembly language online, actually its three books.
Beginner, Intemediate and Advanced assembly language. It also has C++ and Delphy and Visual Basic.

The Cracking Palace:A good site on assembly and other resources, go there and learn.

code3r alternative programming webbring run by David Stubbbs, a must visit.
Or you can try For his New Place.