API for NET developers that supports AutoCAD DWG, DXF, PLT and other CAD formats
OverCAD Block Manager x64 is a powerful block manager tool of AutoCAD.
It is a plug-in that provides interoperability between AutoCAD and ArcGIS.
The Autodesk 2006 Object Enabler allows object data created in Autodesk.
The Block Manager software is an easy AutoCAD utility.