A fork of ReactOS which aims to be compatible to the NT architecture (but not a clone) meeting WINE's standards every time a part of NT interface is implemented. The fork was done at revision 9494 before ReactOS changed slowly into Tinykrnl.
An open source operating system for x86.
A new advanced customizable graphic menu multi boot and OS loader based on XOSL project with gujin project features, this project integrate too a mini OS to provide certain customizable specialized maintenance tasks before boot partition/load OS target.
ArchOpen is a project aimed at providing a fast, light and free operating system and applications for portable multimedia devices based on TI DM&DSC chips. It currently supports a lot of Archos multimedia devices (Gmini402,AV400,...).
BNL OS is a free, modern operating system based on the design of Windows XP/2003.This is not a Linux based system, and shares none of the unix architecture. Please remember, this is in the development stage, and is not reccommended for everyday use.
Blueport is an italian Open Source 32-bit operating system ... This project has temporarly moved to Gna.org: <a href="http://gna.org/projects/blueport">Blueport project</a>
COS - Component-based Operating System
JuleOS Dynamite is a simple operating system (OS) that will perform very minor and simple operations.
KnightSleuth is a tool for Calvin College students to obtain and search the contact information of other students and faculty/staff. It allows more powerful searches than the websearch, such as by floor, by phone number, by home city, etc.
A replacement firmware distribution for the 3com 3CRADSL72 a.k.a 3com wireless 11g (distributed by Ya.com) and its identical twin, the SMC7804WBRA, with an ucLinux kernel based system and associated system tools.
MightyOS is a serious attempt at making a fast and lightweight Operating System written in C++.
An operating system for an educational robot based on a Nios II board from Altera. Implemented in Nios II assember and C/C++.
SOLVE-IG (Secured Official & Legal Validation Encoded Illustrative Graphics) is a secure media administrative program for SuperWikia Alpha source code. Builds a streamline environment for robust media presentations and project-critical validation.
Story OS is a small microkernel system with object-oriented service interface.
libosdk stands for operating system development kit, which is simply a library containing low-level architecture dependent assembly procedures you can use to develop your own os without using assembly language or even know about it.