Mac users interested in Motif waveform editor mac 64 bit generally download:
Motif Waveform Editor allows you to manage User Waveforms, Arpeggios and Voices on the Motif XF or Motif XS in a comfortable and powerful environment. It supports editing of Motif XF X3A, X3V and X3W files and Motif XS X0A, X0V, X0W, X0G files.
You can copy Voices using User Arpeggios and User Waveforms from other X3V/X3A or X0V/X0A files and the appropriate Arpeggios