Blender

OrthoGraph Survey is a PDA/phone based professional software for building surveys. It supports floor plan survey by facilitating digital floor plan sketching and instant creation of AutoCAD compatible drawings on-site. It supports Leica Disto A6/D8.

progeCAD offers robust AutoCAD compatibility at minimal cost. Edit view print and convert Autodesk AutoCAD DWG files from most any version of AutoCAD. Similar icons, commands and interface. Raster image embedding, IntelliCAD AutoLISP interpreter.

This 3D graphics editing tool can be easily used for molecule creation. Falco Molecule is a 3D graphics editor for molecule creating. You can use this OpenGL editor in order to generate chemical molecules

An application for AUTOCAD 2002-2009, which determines the intersection curves between 2 sets consisting of 3DFACE, 3DSOLID or 3DMESH entities.

Perfect DWG to PDF converter for business and enterprise - combining the power to convert DWG/DXF/DWF to PDF and GIF/JPG/PNG/TIFF/BMP with an extremely competitive price. NO AutoCAD required, batch conversion supported.