Open Wonderland is a 100% Java, free and open-source toolkit for building 3D interactive virtual worlds.

OpenSCAD provides two main modelling techniques: First, constructive solid geometry (CSG) and second, extrusion of 2D outlines.

Optimal Pilot is designed for optimization of complex 3D models (CAD/CAM/CAE systems and others) for real-time visualization. This 3D reduction and optimization tool will speed rendering and provides enhanced control over a 3D model`s visual quality.

OrthoGraph Architect supports ground plan sketching and measurement using a PDA. Measured rooms or graphical parts are ordered into a structural view. The system supports Leica Disto D3a BT. Default output formats are 2D and 3D DWG, SKP and PDF.

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 D3a/D8.

AutoCAD Text Editor - OutlineART,applied in CAD wordprocessing,is a tool to transform words and symbols into vector-contour,we provide both windows desktop version and ARX embedded version for AutoCAD(R14 to 2006)

Batch convert DWG and DXF files back and forth between AutoCAD R14, 2002, 2004, 2007 and 2010 versions of DWG used by AutoCAD.

Allows you convert DWG to PDF. Support arc, circle, ellipse, line, point, polyline, rect and text etc.

Allows you convert DWG to SVG. Support arc, circle, ellipse, line, point, polyline, rect and text etc.

Packmage is a CAD software for packaging carton box design, it has dieline and box structure predefined in the library, with Parametric design and 3D box modeling features, designers can work more efficiently.

Packmage CAD is a free 3D carton box template packaging design software for corrugated and folding carton packaging structural design. User could draw new box template or modify carton box template based on the library in a much more easy way.

PadsHelper is a professional application designed to assist you in using PADS Logic / PADS Layout / PADS Router (Power Logic / Power PCB / Blaze Router).

Create jack-field layouts and designation strips. Choose from a large selection of pre-existing templates, or create your own templates using the wizard. Export to dwg, or print directly at the proper scaling. Works stand-alone or plugin to WireCAD.

Paving Design Expert has been built for significantly reduce the time of the development of design paving sidewalk tile and gives the possibility to compose several alternative designs and selection of them of the best.

Easily design 2 to 4 layer printed circuit boards with up to 1000 pins. PCB Creator is based on professional PCB Design software and is very easy to use. You will have your circuit designed and ready for manufacturing in no time.

The free 3D design software pCon.planner 6 helps you realizing all your interior ideas. You also gain free access to a huge amount of 3d models (e.g. DWG).

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

Convert PDF to DWG, PDF to CAD, PDF to AutoCAD easily. Support PDF line, rectangle, ellipse, round rectangle, line segments, bezier segments, image and text etc.

Convert PDF to DWG, PDF to CAD, PDF to AutoCAD easily. Support PDF line,rectangle,ellipse,round rectangle,line segments,bezier segments,image and text etc.

Feel painful to recover a drawing in PDF file manually? PDF to DWG Converter (PDF to DXF) helps you to convert PDF into DWG and PDF into DXF, quick and accurate.It will import all vector objects: line, arc, circle, text and etc, nothing lost.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

PDF to DWG importer, an AutoCAD Addin allows you to import PDF files into DWG or DXF files quickly and easily. It supports AutoCAD R14 thru 2009.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

PDF to DWG Converter Stand-Alone,a stand alone application help you convert PDF to DWG, PDF to DXF. It supports AutoCAD version 2.5 to 2006.

It is a batch converter that allows you to batch convert your PDF files to usable and editable AutoCAD DWG or DXF files, so you can recover the entities in PDF to corresponding DWG entities easily.

It is a powerful windows program that will help you convert your PDF files to usable and editable DXF files quickly and easily, so you can recover the entities in PDF to corresponding DWG entities easily.