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

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

TerrainSectionsPro2X 2.2 (by Cadhedral)
FREE AutoCAD add-on for creating terrain sections.

Points Import for AutoCAD 1.0 (by Floating Point Solutions Private Limited)
Points for AutoCAD - AutoCAD plug-in to import a point file

Point Cloud for AutoCAD 1.0 (by Floating Point Solutions Private Limited)
Point Cloud for AutoCAD - AutoCAD plug-in to convert point cloud into a surface

Points Export for AutoCAD 1.0 (by Floating Point Solutions Private Limited)
Points Export for AutoCAD - AutoCAD plug-in to export points to a text file

Visual Terrain Maker 1.3.0.28 (by UNGSoft Developers Group)
Visual Terrain Maker allows visually create 3D landscapes for game development

STL Import for AutoCAD 1.0 (by Floating Point Solutions Private Limited)
STL Import for AutoCAD - STL file import plug-in for AutoCAD

PIX Import for AutoCAD 1.0 (by Floating Point Solutions Private Limited)
PIX Import for AutoCAD - Dr. Picza PIX file import plug-in for AutoCAD

OBJ Import for AutoCAD 1.0 (by Floating Point Solutions Private Limited)
OBJ Import for AutoCAD - Wavefront OBJ file import plug-in for AutoCAD

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

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 2006 Professional 6.1.11 (by iCADsales.com)
CAD software reads and writes AutoCAD DWG, works with menus, LISP, VBA

R2V 1.25 (by MR Soft)
R2V convert raster images to vector by drawing centerlines and outlines