Made in assembler (A86), lets you play with your boot sector. Not too useful in this day and age, but good to learn about certain things

A library for GDB (with python support), that adds useful functions to the standard 'gdb' library.

x86 emulator on flash player

The project Marvin has created for study the process of building an SO.

Random x86 Assembly Code(s)

Forth in 512 bytes, an attempt

A Sega Lindbergh environment / HLE for Linux

C library for arbitrary-precision integer and rational computation.

IAS /Assembly Languages/ lab projects (subject taught on fit.vutbr.cz)

Operating system written in x86 assembly

Automatically exported from code.google.com/p/cakeos

Implementation of a multitasking x86 kernel

x86, AMD64 and ARM attempt to DBI

A very basic proof of concept of an OS kernel

Third, a small Forth compiler for 8086 DOS

Simulating various sorting algorithms working on set of numbers using x86 Assembly.

Code Deobfuscator

Answers to questions in the industry standard Bryant and O'Hallaron book, using K&R book as a guide.