Just Intonation Software

Hello all

I've recently known about just intonation tuning. I heard some samples
of that at home pages like:
www.kylegann.com
www.wmich.edu/~mus-theo/groven

I'd enjoy to play my compositions at my keyboard using that tuning
system, or at least retune the MIDI files which corresponds to those
compositions I intend to record soon. Searching the Internet, I've found
the Justonic Pitch Palette Software:
http://www.justonic.com
which, by its description, seems to be good, but I'd like to know if
there's some alternate freeware or free software that accomplish the
same task, that is, either tuning synthesisers in real time or retuning
MIDI files to a just scale acording to the several chords and
modulations of each piece.

I've also found Scala at
http://www.xs4all.nl/~huygensf/scala/
but it seems not to allow retuning in real time or several times within
a MIDI file.

Could you please indicate me some PC software ?

Thanks,
Cleverson

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