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xbos is designed to be a way to duplicate xbox games. it works by copying the xbox game disk onto the hard drive, and then burns that data back onto a blank DVD, thus creating a duplicate of the original game.
512DevOS is a GPLed operating system that runs on 16 and 32 bit x86 compatible computers. The kernel and shell fit in 512 bytes and occupy only the first sector of a floppy disk.1 weekly downloads
KoinKoin is an operating system, based on a second generation microkernel, k2 (strongly inspired by the L4 API). KoinKoin offers a modular design allowing to build specific-purpose and minimalist operating systems.
A FOSS operating system that aims to meet NSA's TPEP TCB A1 evaluation standard while retaining application compatibility at minimal performance overhead.
crowOS aims not to be a big, wide-spread OS, but only a sort of hobbie-OS of mine, mainly for fun and to learn more about what is going on "under the hood". For now, it will be based on the x86-architecture, written mainly in C but also some Assembly.
Cellocity Linux is Based on Fedora Core 6 Source Code. With only basic core elements needed to operate Compatipal and a completley Graphic Interface as well as Text. Version 2.0 will include more applications 32,64 bit and 80 Core Intel CPU
A operating system designed to be compatable with the linux and uinx software, that is capable of running as a modern operating system.1 weekly downloads
AWOS: The Universal Operating System.2 weekly downloads
xlike Kernel Patchset is a patch collection for the Linux vanilla kernel. It includes code from a lot of projects, such as Kernel Mode Linux, Novell AppArmor, Ndiswrapper-1.34rc2, SquashFS, AFS, Openswan, CDemu, L7-filter and various accumulated bugfixes
Linux information, kernel, and embedded distributions for consumer handheld devices, like PDAs, Phones, Tablets, etc.4 weekly downloads
A port of the Linux operating system kernel and assorted userspace to the Nintendo Wii.
A (new), Distributed and Supercomuting ready, Component Oriented Opperating System, together with a (special) toolchain to build it. (It will run on I386 networked machines initially)
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,...).
The D/OS Project aims to create a complete working operating system written in the D programming language.
Project Naranja will uses Padlock Security of VIA EPIA mini-ITX motherboards in order to provide a toolkit to set up and use encrypted filesystems with Linux. NOTE: Files are now hosted at Google Code: http://code.google.com/p/naranja/
Caracal is an IA32 operating system which, once stable, will be used to create tutorials and therefore teach others the basics of writing system software for IA32 processors.1 weekly downloads
A general purpose hobby Kernel/OS intended for the x86 architecture. Targeting environments with limited resources and restrictive displays; featuring console-based video, multi-tasking and a certain emphasis on modularity without sacrificing efficiency.
A MOST OMNIMISCHEVOUS AND DISCORDIAN OPERATING SYSTEM FOR SOLVING ALL OF YOUR SOLUTIONS WITH ITS SLEEK SEXY DESIGN.
Roundhouse is a pair of C based embedded software applications to drive model railroad stepper motor based turntables. It consists of a stepper motor code and controller code connected by an I2C network. Written in C for PIC18/PIC16s processors.
This project aims to develop the next generation operating system. It is still in late planning/early development stage.
Story OS is a small microkernel system with object-oriented service interface.
SuperWikia: The Runtime/Realtime Environment for Codesmiths1 weekly downloads
ASMIMUX will be a kernel, which includes a Linux ABI clone, to use native Linux programms.2 weekly downloads
The Harmony project has two fundamental guidelines: Make it easy and make it flexible. It is an entirely new operating system that focuses on giving the user a totally customizable experience.
CPPOS is a operating system developing by C++ and assembly.