MOTM

For windows:

http://algoart.com/web/synthlayout.htm

While you're at the site, check out the Softstep and Bankstep software
sequencers, based upon analog sequencers.  

John Loffink
jloffink@... 

The Microtonal Synthesis Web Site
http://www.microtonal-synthesis.com/

The Wavemakers Modular and Integrated Synthesizer Web Site
http://www.wavemakers-synth.com/