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Open Design Alliance - http://www.opendesign.com/
An association of CAD customers and vendors committed to promoting Autodesk's AutoCAD DWG drawing file format as an open, industry-standard format for the exchange of CAD drawings. |
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Through the Interface - http://through-the-interface.typepad.com/
Site made by Autodesk member that contain information to ObjectARX API development and code samples. |
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Py_acad - http://pyacad.sourceforge.net/
A free software module that makes it possible to extend AutoCAD with the Python programming language, in a similar way as with AutoLISP. |
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ObjectARX & Dummies - http://arxdummies.blogspot.com/
Talk about programming using .NET framework and ObjectARX Autodesk API. |
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CADing && Coding - http://cadingandcoding.blogspot.com
A learning resource for AutoCAD Programming and Customization. AutoCAD.Net programming with C#, VBA Programming, DIESEL Macros and AutoCAD Tips and Tricks. |