LINKS!
MFC Programmer's Sourcebook
NASM (The Netwide Assembler Project)
Ralph Brown's Page (with The Famous Interrupt List)
3D Engines List (Yet the best)
Egerter Software (Great Site on Graphics)
WD32ASM Homepage (You know it)
NT Internals
Peter's Protected Mode Homepage
Wotsit's File Format Collection (PE,NE,OBJ,Etc. All you can think of)
Pro32 DOS Extender
DOS32 Extender
Resource Hacker (Resource Viewer)
IDA Homepage (If you don't know this, Fuck OFF!)
OS Links (x86 ones)
Afeed OS (Temporarily Closed)
AmOS (Advanced Microprocessing OS, Closed)
Avante! OS
bobOS Development Page
Brix OS (Under Construction)
The EROS OS (Extremly Reliable OS?)
OS-DEV's Page (OS Development Info)
TINOS Project (TINy OS)
Tunes Project (Another idealistic OS)
The Flux OS Project (from Univ. of Utah)
Pat Villani's Homepage (DOS-C Page)
The FreeDOS Project (MSDOS Clone)
Merlin (an OO-OS)
Mike Podanoffsky's Home Page (RxDOS, RTX, Vivaldi)
SOS Homepage
WinX - Windows NT Clone Project
VarOS
MORE
and MORE links