http://qsynth.sourceforge.net
Requirements are Qt3.1.1 and libfluidsynth.
Please let us know how you get on with it!
i'm not going to have time to try it for a while, but i just wanted to
note that i really like the pale yellow/green you use for the
spinbutton backgrounds. its very delicious. i have to find a way to
use that into ardour somehow... :)