Kubit
PointCloud for AutoCAD 2011 v.6.0
AutoCAD 2011 now contains a native point cloud engine which is powerful enough to handle up to 2 billion points of scan data. Currently, AutoCAD only supports a few data formats for import to .PCG.
Undet - Point cloud processing software for AutoCAD v.1.1
Undet is entry-level point clouds processing software for object analysis, 2D drafting and 3D modeling.