Directory of Development Resources

Sites about the process of extending AutoCAD with one of the many programming languages available for that purpose, such as:

Subcategories

AutoCAD Developers Group Europe

http://www.adge.ch/
A non-profit association of software developers who are working on applications around AutoCAD.
AutoCAD Exposed

http://www.manusoft.com/Resources/AcadExposed/index.stm
Information about undocumented features of AutoCAD, such as commands, system variables, and functions of the ADS, ARX, and AutoLISP programming interfaces.
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.
ObjectARX & Dummies

http://arxdummies.blogspot.com/
Talk about programming using .NET framework and ObjectARX Autodesk API.
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.
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.
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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