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reactos/reactos

An open-source operating system aiming for binary compatibility with Microsoft Windows NT applications and drivers.

Core Features

Binary compatibility with Windows NT family (NT4, 2000, XP, 2003, Vista, 7)

Open Source project licensed under GNU GPL 2.0

Supports FAT16/FAT32 and experimental BtrFS file systems for installation

Provides a dedicated build environment (RosBE) and supports MSVC for building

Quick Start

ninja bootcd

Detailed Introduction

ReactOS is an ambitious open-source project dedicated to developing a free operating system that achieves binary compatibility with Microsoft Windows NT applications and drivers. It aims to provide a viable alternative to Windows, allowing users to run their existing Windows software without needing a Microsoft license. Currently in an alpha stage, ReactOS is under active development, focusing on stability and expanding compatibility, making it a promising platform for those seeking a Windows-like experience in an open-source environment.