BricsCAD：you can run many programs originally created for use with AutoCAD without modification

Supported API's

With BricsCAD, you can run many programs originally created for use with AutoCAD without modification on BricsCAD. BricsCAD supports the AutoCAD dialog control language (DCL). You can use all DCL files unmodified within BricsCAD. To write applications in C or C++, BricsCAD offers BRX, a C/C++ language interface, code-compatible with the AutoCAD Runtime eXtension (ARX) interface in AutoCAD.

BricsCAD offers several APIs

• LISP (LISt Processing)
• DCL (Dialog Control Language)
• DIESEL (Direct Interpretively Evaluated String Expression Language)
• COM (Component Object Model)
• VBA Visual Basic for Applications)
• BRX (BricsCAD Runtime eXtension)
• TX (Teigha eXtension)
• .NET