Lisp is still (sort of) the default language for customising AutoCAD. More in its guise as a list processing (lists of coordinates, entities etc) language though than for its AI capabilities. IIRC GNU ...
The MakerLisp Embedded Lisp Machine is targeted at makers and developers of embedded systems for use at the edge of the IoT. Thus, you can only imagine my surprise and delight to be introduced to ...