Create, edit, and annotate in common 2D and 3D file formats.
ET GeoTools improves the editing capabilites of ArcGIS.
Convert AutoCAD DXF and DWG formats to ESRI Shapefiles.
It is a set of tools for ArcGIS that enable the users to create surfaces.
It is a plug-in that provides interoperability between AutoCAD and ArcGIS.