IdyllaOS is simple operating system. System is based on monolithic kernel with drivers of devices loaded as kernel modules. As required for a modern operating system, it supports features like virtual memory, memory protection and multitasking.
Ace is a micro kernel for developers and researchers. The main goal is to create a very light and compact kernel from scratch with modern OS research concepts.
PearPC is an architecture independent PowerPC platform emulator capable of running most PowerPC operating systems. It includes a JITC for x86-Processors.
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An operating system kernel designed with simplicity, readability, and elegance in mind. No longer written from scratch, but built on "the shoulder of giants." Specifics are given in the CREDITS file starting from v0.04
ExecROM is a program that allow you to execute ROM files on a real MSX (from MSX1 up to MSX Turbo-R). XPCtools is a set of tools written in C, to create and maintain XPC patch files on a modern desktop (Mac, Windows, Linux, etc).
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...Support for phones and other mobile platforms is under development.
The majority of the project is entirely original code released under the zlib/libpng license. Contributed and third-party code is included under GNU licenses.
FrakeOS is a new OS developed by Charles Frake.
Currently, it is a simple bootloader written in NASM. I plan to continue researching Assembly and finish the bootloader. I plan to start coding a kernel in C after the bootloader is finished.
(English)
Emulator developed for the game With Your Destiny (WYD), by team EWC(Emulator Wyd Core), Software non-profit (free), GNU License. Contact marcelinho1112@hotmail.com, Contributions are accepted. EWC project is Open Source.
Real-time, modular, microkernel-based operating system under development for i386. The first goal is to support 32-bit DOS protected mode applications made with DJGPP as well as native applications.
Written entirely in 8051 assembly this is a bare bones Real Time OS (RTOS) kernel for the P89C668 microcontroller. The OS itself is inspired by the discussion in 'MicroC/OS-II: The Real-Time Kernel' an excellent book by Jean J. Labrosse.
Squeak is an open, highly-portable Smalltalk-80 implementation, it runs on almost every operating system, and in bare hardware. What we gonna do with SqueakNOS is getting rid of the OS under Squeak, and we'll implement all the functionality in Smalltalk
This is the repository of my (PP) personal tools, scripts, programs, specifications and writings. I'm giving most of my smaller work to the world to use it, for free.
TempOS is an Educational and multi purpose Operating System. TempOS was born as an undergraduate work and has it's your main goal to be not only another Operating System, but a complete toolkit designed to help students on their O.S. courses.
Another NES emulator is a fun project. Goal of this project is to learn how to program an emulator and to get a deep understanding of the MOS 6502 processor.
Gebix is a FreeBSD-based operating system that will be available for both x86 and ARM as of version 0.7 Release Candidate 1. It will sacrifice most of the legacy support to transition to new or recent alternatives.
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.