Not that I know of, but in general the idea of independent implementations of a compatible API is practically impossible. In order to be compatible it need to m

Not that I know of, but in general the idea of independent implementations of a compatible API is practically impossible. In order to be compatible it need to match, and while you can make a independent implementation of the libraries you will still need to copy the API definitions in order to be compatible. That is the part that Oracle sued for.