microtonal software

I just downloaded the newest fractal tune smithy by Robert Walker, and it
is loaded with improvements including more microtonal scales and greater
flexibility in playing and editing these scales. Really cool:
http://www.robertwalker.f9.co.uk/fts_download.htm#download

John Starrett
"We have nothing to fear but the scary stuff."
http://www-math.cudenver.edu/~jstarret/microtone.html