The Niffty page now explains how to download
and install the Niffty applet for displaying
your music. See:
http://niffty.sourceforge.net/
Niffty is still alpha code, but has come a long
way. The piece shown on the example page has
multiple staves with the notes aligned properly.
It is good enough now that you can read a
real piece of music (kinda).
If you want something done right, you've gotta do it yourself.
I had hoped to save time and just make Niffty a converter from NIFF to Guido or
Rosegarden and use those programs to display. But they are slow in publishing code
that I can use. So, after re-reading the NIFF specification for the nth time, it seems
that it is not so hard to write the display code myself. See the example at:
http://niffty.sourceforge.net/example.html
I added some initial files to the CVS repository. These are for decoding the NIFF file.
Note all tags and music symbols are supported yet, but it can read the sample NIFF
files in the NIFF documentation without choking. Still very "pre-alpha".