A necessary utility for legacy AutoCAD support, but one that requires technical patience and legal caution.
Load the VLX into AutoCAD. Use a memory scanner to dump the LISP symbols from AutoCAD's RAM. This works surprisingly well for simple functions because AutoCAD stores the symbol name and function definition in clear text in memory until you quit. vlx decompiler
The primary function is extracting LISP source code. A necessary utility for legacy AutoCAD support, but