G-NOTE electronic notepad software
Given the number of downloads, and the fact I wanted to use the red pen myself, I patched my previous converter code to include that.
As before, the perl source code is available for download. The program will convert a g-note proprietary file format into an SVG file that at least Inkscape software (the one I use) is happy with.
Luckyly one reader provided this link with the file format specs.
Just type dnt2svg.pl your_dnote_file > converted.svg
Windows users need to know they can get a free perl interpreter from ActiveState. Those with Apple OS X already have it in place (but you still need to know of to use a terminal).