[...]
> Either way, for OpenBeOS we will need an open source softsynth with an
> appropriate license and performance at least on par with the BeOS R5
> softsynth. Since nothing like this currently exists, I'm writing it.
I suppose GPL isn't an appropriate license for you, but otherwise you
could use IIWU synth, http://www.iiwu.org/iiwusynth/index.htm
--ms