ReactOS is a free and open-source operating system for x86/x64 personal computers intended to be binary-compatible with computer programs and devices. Developed by Aleksey Bragin
License: Open Source
Elementary OS is designed for users seeking a polished, visually appealing Linux experience, making it ideal for everyday tasks. In contrast, ReactOS aims to provide a free and open-source Windows-like experience, focusing on compatibility with Windows applications but still facing challenges in stability and hardware support.