CADbro is a 3D CAD viewer that helps with your collaboration on engineering data. For users from sales & marketing, design-review, change management, production planning, manufacturing, technical documentation. Open Catia, NX, Creo step iges files.
ZW3D, all-in-one, affordable CAD / CAM, enables concept to finished product design in an integrated, collaborative environment. It also shares and exchanges CAD files with all leading design systems such as CATIA, Inventor and SolidWorks.