MaxMSP
Mams 0.92 [download here, 6.3 MByte, MAC OS X, standalone application]
Mams 0.92 [download here, MAX patch, messy and undocumented....]
This little tool generates .ams ( Ableton Meta Sound )
files using additive synthesis. Ams files can be dragged in the Ableton Live instruments Simpler or Sampler to create static waveforms.
Monolake Skins for Live7 [download]