AutoProject for AutoCAD 

AutoProject for AutoCAD is a plug-in for AutoCAD 2000, 2000i, 2002 and 2004. This plug-in gives AutoCAD the ability to project 3D entities to 2D entities in the XY plane in the AutoCAD model space.
autoproject for autocad autoproject autocad 3d 2d project projection isometric view plug-in add-in utility entity

NC Editor 

NC Editor is a Numerical Control (.NC) file viewing, editing and printing application.
nc editor nc editor ncc cnc numeric control cam viewer view edit editor print utility application