amforth is influenced by avrforth from Daniel Kruszyna krue.net/avrforth and by the series of articles from Ron Minke "Forth von der Pike auf" found at the "vierte dimension" at www.forth-ev.de (in German).
Users of amforth
amforth for butterfly (in German)
www.mlab.cz(in Czech)
www.forth.cz (in Czech).