It's in development. It will be open source. I got stuck essentially rebuilding the whole project from the ground up – so much of Just Type changes the fundamental signal flow that didn't gel at all with the code structure. It's coming along but I'm currently only working weekends while I take a 3 month coding retreat (as in, learning to code better, not coding JF).
So, yes it is happening, and no I can't give much insight as to when. I've set out on numerous occasions thinking "ok today it will make sound again" only to be sorely disappointed. I'm trying not to project that repetitive missing of the mark.