Ace Operating System Project
An open source operating system for X86 architecture. It also contains documents, specifications explaning various hardwares. You Would also find info related to Operating System, OS, Kernel, FAT, File System, NASM, DJGPP, Bochs, Source Code, Hardware, ASM, Assembly, C, C++, Download and much more.

ACM Special Interest Group for Operating Systems
Tutorial for writing an operating system and links to group members' projects.

Bona Fide OS Development
OS development information and tutorials. Links. You Would also find info related to os dev, operating system, os development, osdev, tutorial, document, x86, intel, amd, memory, PIT, PIC, IDT, GDT, bona fide, osdever.net, osdever, how to write an operating system, #osdev, code, assembly, C, C++, kernel, microkernel, monolithic, nanokern and much more.

Bootstrap Tutorial
How to write a bootstrapper. You Would also find info related to bootstrap, bootsector, bootcode, boot, asm and much more.

CS 3210 Design of Operating Systems
A course in operating systems with a focus on the design and construction of a modern OS kernel.

DBLP Bibliography: Operating Systems
Links to many operating systems journals on the web.

DXOS
Developed by Richard Hayden, also containing information on low-level systems and operating system programmming, forums. You Would also find info related to dx-dev, dxos, fun, entertain, entertainment, richard, hayden, internet, net, programming, computers, computer, program, asp, sql, databases, database, html, c++, c, vb, visual, basic, java, javascript, maths, mathematics, physics, assembly, operating, sy and much more.

Groovyweb: Operating system programming
An open source os written in Turbo C (for DOS/ windows) and nasm (Windows/Dos/Linux) as well as two exclusive tutorials on how to write an operating system.

High Flex Modular Operating System Journal
Follow the pre-design, brain-storming, development, post-design, and perfection of a modern 32-bit operating system for the intel x86 platforms. You Would also find info related to hf-mos, web, http, design, development, c, asm, c++, development, coder, code, example, tutorial, intel, x86, pdai, irc, download, source, object, ace, zipped and much more.

Inter-Process Communication Tutorial
Interactive tutorial about message passing, semaphores, and monitors. You Would also find info related to process interaction, solution types, problems, producer/consumer, readers/writers and much more.

JOSH - Operating Systems Development Tutorial
Tutorial on operating system development leading to the development of a real mode single tasking operating system developed in assembler.

KernelCode
News and reviews of kernels. You Would also find info related to News, news, New, new, Technology, technology, Headlines, headlines, Nuke, nuke, PHP-Nuke, phpnuke, php-nuke, Geek, geek, Geeks, geeks, Hacker, hacker, Hackers, hackers, Linux, linux, Windows, windows, Software, software, Download, download, Downloads, do and much more.

KernelNewbies.org
Resources for programmers new to kernel hacking. Example code, FAQs, utilities for debugging modules.

LusitanOS
Yet another open source operating system, planned to be an OS entirely made by Portuguese people and built mainly as a way of self-lerning and research on operating systems development. [Open source] You Would also find info related to hybrid-2k, homepage, coding, programming, portuguese, projects, osdev, lusitanos, iglib, distributed.pt, uva, anonemail, pastebin, wiki and much more.

Operating System Design Tutorials
A set of well-written design tutorials: tells you the whys as well as the hows. With examples for the x86 architecture. You Would also find info related to operating system, kernel, tutorial, tutorials, OS, device, management, manager, memory, scheduling, schedule, scheduler, C, x86, 386, 486, Pentium and much more.

Operating Systems and System Software
Contains sources of a minimal kernel, a new CPU scheduler for Linux, multithreading in Linux, systems software in DOS and collection of good reference material for OS lovers. You Would also find info related to 386 OS design, Intel Manuals, i386, Linux Kernel Hacking, MultiProgramming in DOS, Multithreading, Multithreading in Linux, CPU-Scheduling, Operating Systems, VM, Virtual Memory and much more.

OS Development
Message board, OS development links, and the Operating System project web ring. You Would also find info related to osdev, os development, os design, operating system, system programming, assembly, programming and much more.

OS Development Directory
Links on different OS development related subjects such as theory, hardware, tutorials, tools and reference materials. You Would also find info related to OS Development, Write your OS, writing OS, writing your own OS, and much more.

OSDEV Community
Attracts OS programmers across the Net in order to provide a common, user-friendly, working space. OS projects. Documentation, forum. You Would also find info related to os, operating, system, systems, operating systems, operating system, osdev, os dev, dev, ciprian, dosoftei, gerardo, canosa, asm, kernel, development, developer, C, int, forum and much more.

The Operating System Developers Homepage
Index of operating systems and links to resources for programmers.