NX CAD/CAM from Siemens was previously known as UG i.e. Unigraphics.
It is an advanced high end solution for CAD/CAM/CAE.
It is a direct competitor for software like: SolidWorks, Creo, CATIA, and Autodesk Inventor.
NX CAM after integrating with other NX solutions allows NC programmers & manufacturing engineers to associatively access complete designing, drafting & assembly tools in a solitary part manufacturing atmosphere.