Mesh To Solid 3.0 (by SYCODE)
Mesh To Solid - Software to convert a mesh to a solid

Terrain for AutoCAD 1.1 (by SYCODE)
Terrain for AutoCAD - Terrain modeling plug-in for AutoCAD

Terrain for Rhino 3.0 1.0 (by SYCODE)
Terrain for Rhino - Terrain modeling plug-in for Rhinoceros

PLT Import for AutoCAD 1.0 (by SYCODE)
PLT Import for AutoCAD - HPGL Plot PLT file import plug-in for AutoCAD

3DM Import for AutoCAD 1.0 (by SYCODE)
3DM Import for AutoCAD - Rhinoceros 3DM file import plug-in for AutoCAD

3DM Import for AutoCAD 1.0 (by SYCODE)
3DM Import for AutoCAD - Rhinoceros 3DM file import plug-in for AutoCAD

PLT Import for AutoCAD 1.0 (by SYCODE)
PLT Import for AutoCAD - HPGL Plot PLT file import plug-in for AutoCAD

DXF Import/Export Converter 1.6.7 (by S&G Team)
Plug-in for VGEdit that allows to read and manipulate data from and to CAD.

Terrain for AutoCAD 1.1 (by SYCODE)
Terrain for AutoCAD - Terrain modeling plug-in for AutoCAD

DWF to DWG Converter 1.65 (by AutoDWG)
DWF to DWG Converter is an AutoCAD Addin let you import DWF file into AutoCAD

DWFIn -- DWF to DWG Converter 1.6 (by DWF to DWG Converter)
DWFto DWG Converter is An AutoCAD Addin let you import dwf file into AutoCAD

3DM Import for Solid Edge 1.0 (by SYCODE)
3DM Import for Solid Edge - Rhino 3DM file import add-in for Solid Edge

STL Import for Solid Edge 1.0 (by SYCODE)
STL Import for Solid Edge - STL file import add-in for Solid Edge

2D / 3D CAD Import .NET: DWG, DXF 1.5 (by CADSoftTools)
CAD Import .NET is an easy-to-use API for reading AutoCAD DXF/DWG in .NET

OBJ Import for Solid Edge 1.0 (by SYCODE)
OBJ Import for Solid Edge - Wavefront OBJ file import add-in for Solid Edge

X-Camme 2006 (by Studio Tecnico Turci)
X-Camme e' un add-in per Excel per camme e intermittori

Screen Compass 4.0 (by Iconico)
Measure circular or polygonal areas on your screen with the draftsman's tool.

DWG to PDF Converter 2007.1 2007.1 (by dwg to pdf)
DWG to PDF converter, convert DWG to PDF, DXF to PDF without the need of AutoCAD

hsCADCreator 1.0.3.36 (by Hachisoft Corporation)
Create 2D & 3D CAD drawings quickly & easily via UCS, Viewports, Layouts & more!

progeCAD 2007 Professional 7.0.8 (by iCADsales.com)
CAD software reads and writes AutoCAD DWG, works with menus, LISP, VBA