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
ReactOS is an open-source operating system designed to be compatible with Windows applications, making it ideal for users seeking a free alternative to Windows. Fedora, on the other hand, is a powerful Linux distribution known for its security, frequent updates, and strong open-source community, making it suitable for developers and tech-savvy users.