The work is not finished yet. But many command should work. Due to a big discouragement from the FreeCAD forum, I stopped further developing it. Feel free to further develop it or send me Pull Request. Translation in progress.
Originally code was writen by https://github.com/microelly2/freecad-nurbs/blob/master/nurbswb/
Converted to the current version of FreeCAD/Python by Mariwan Jalal 2021-04-25