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Accucadd A Windows drafting program, the successor to the DOS based RoboCAD. http://www.accucadd.com/
AllyCAD A 2D CAD package for the architectural, civil, and mechanical industries. http://www.allycad.com/
AndyCAD A low cost general purpose 2D CAD program. http://www.andycad.com/
A9Tech Offers the general-purpose 2D CAD program A9CAD supporing industry standar DWG and DXF drawing formats, and the DWG/DXF translator A9Converter, both free. http://www.a9tech.com/
CAD Schroer GmbH Manufacturer and vendor of the MEDUSA4 parametric 2D CAD system, and several application specific extensions. http://www.cad-schroer.com/
CadStd A drafting program for Windows, with a free lite version. http://www.cadstd.com/
Delta Cad A 2D CAD software designed to be easy to use. http://www.deltacad.com/
Delta Software international Offer CAD Pro, home design and floor plan drafting software. Include product demo and online ordering. http://www.cadpro.com/
General CADD Products, Inc. About the General CADD Pro 2D Windows CAD program, with user forums and a downloadable manual. http://www.generalcadd.com/
JustCad A 2D CAD program for Windows, distributed as shareware. http://justcad.com/
Malz++Kassner GmbH CAD 5 drafting software for Windows, with plug-ins to support DXF, DWG, HPGL/2 and SVG file formats. http://www.malz-kassner.com/
Pressure Vessel Drafting Guide Detailed instructions on how do design and draft pressure vessels with AutoCAD, with examples. http://www.wech.com.my/useful/pvdrafting/pvd-frame.htm
ProCAD+ A computer aided 2D drawing program for Acorn RISC OS computers. http://www.dsnell.zynet.co.uk/CADindex.html
QCad A 2D CAD system for Linux, Unix Systems, Mac OS X and Windows, released as Open Source for unix based systems. http://www.ribbonsoft.com/qcad.html
VectorEngineer A multi-purpose 2D CAD system for technical drawings, designs, and isometric visualizations. A free version is available for download. http://www.vectorengineer.com/
ZiPCAD A drafting program for Palm OS handheld computers, with DXF file export. http://www.zipcad.com/