ReactOS is an open-source attempt to re-implement Windows. As far as I know, no one uses it in production. I know the ability to load Windows drivers has been o

ReactOS is an open-source attempt to re-implement Windows. As far as I know, no one uses it in production. I know the ability to load Windows drivers has been one of their primary goals over something like WINE, which only addresses userspace (and which ReactOS leverages).