Is the source code for sg.exe available? If not, are there any plans to release it so that it can be ported to other systems? Wine is not an option for some us.
I understand your needings: I root for Free Software. I'd like to work in a totally free software manner.
Harking on sg.exe: there's already a discussion on nxt forum about a free software implementation of it.
Oh, by the way: since I know how to build a parser by using bison (or similar tools). I'm not an expert, but if necessary (this means if the big boss asks me for it :)) I might write down something from scratch. Here I'm not promising you anything of course! :)