This is an very interesting application, and it is released as GPL software.
The only drawback on GNU/Linux is that sound is not working very well,
at least in my experience:
http://linuxmusicians.com/viewtopic.php?f=4&t=860
I dunno if there is a way to get better sound out of java applications.
Maybe some devs can help this application with ALSA and/or Jack support?
Kind regards,
\r