NX

NX is the commercial CAD/CAM/CAE PLM software suite developed by Siemens PLM Software. NX is widely used in the engineering industry, especially in the automotive and aerospace sectors.[citation needed] NX has some presence in the consumer goods design sector.[citation needed]
NX is a parametric solid / surface feature-based modeler. It uses the Parasolid geometric modeling kernel.

NX is a direct competitor to CATIA and Pro/ENGINEER.