OSI-Approved Open Source (234)
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The D/OS Project aims to create a complete working operating system written in the D programming language.
This is an Mini Operating System for intel protected mode. This OS is written to understand OS concepts such as paging, VM, multitasking, Interrupt handling. This project is mainly done for educational purpose.1 weekly downloads
Caracal Boot Loader (cboot) is a second stage boot loader which takes over from GRUB (or other multiboot compatible loader) and prepares the system for your higher-half kernel. It now also includes VESA mode setting support.1 weekly downloads
Your Ass Os is an Operation system kernel. Whole written in C and assembly, need supporters.1 weekly downloads
Operating system for Atmel AT91SAM7 microcontrollers
This project is an SO with a bootloader, a kernel, and posiblely modules1 weekly downloads
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.
FOS - open source 32-bit microkernel operating system.
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.
A small micro operating system kernel written in C (and partly assembly). Planned features are: software based preemptive multitasking/threading, paging, kernel API, IPC, client/server, security system. The code is designed to be clearly understandable.8 weekly downloads
Simple and very modular Operating System to be used also in a provided simulator.
Fortress OS is an open source modern multitasking operating system. Intel IA-32 386 compatibility. Fortress is clean implemented from scratch. Fortress is still in early stage ( current state at the end of plan 2 ) and needs huge work.1 weekly downloads
Open Source Object Oriented Operating System for Intel 32-bit architecture.2 weekly downloads
VeritOS Project is a free operating system, intended to be an educational tool in the workings of x86 hardware.
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
An operating system for an educational robot based on a Nios II board from Altera. Implemented in Nios II assember and C/C++.
This project aims to develop the next generation operating system. It is still in late planning/early development stage.
Mattise is a simple hobby operating system designed to run fast on 32-bit PCs. A newlib port will be released soon for developers to write their own programs for Mattise.1 weekly downloads
Sugatha is a Real Time (multi-tasking) Operating System to be used in embedded devices.1 weekly downloads
A MOST OMNIMISCHEVOUS AND DISCORDIAN OPERATING SYSTEM FOR SOLVING ALL OF YOUR SOLUTIONS WITH ITS SLEEK SEXY DESIGN.
Story OS is a small microkernel system with object-oriented service interface.
The Patagonia OS is intended to work with x86 computers. It is for general purposes and can be modified easily and add drivers for other devices. The main idea of this kernel is transform PCs into research machines.2 weekly downloads
This project is derived from the the defunct OpenDarwin project, updated with current sources from Apple where possible, and intended primarily to facilitate easy development of the OS X port of D/ELTA.
This is an embedded operationg system.mainly for ARM,can be used in mobilephone,tvbox,and other embedded equipment;
FreeWPC is a software framework for writing new software for 1990's Bally/Williams pinball machines. The framework allows you to build your own ROM images, define your own game rules, incorporate dot matrix animations, design lamp shows, and so on.2 weekly downloads