Thank you for your interest.
Regarding sprites, I'm currently implementing most of the missing items from Universal LPC Character Generator (that is by far the most time consuming task).
Code wise, I've considering open-sourcing the code. I've not done so yet because this tool is a by-product of a game I'm making, so it uses way too many things not needed for such a purpose (for instance, the entityX library). Any newcomer to the code would call me crazy.
Anyway, i think it's a matter of time for me to finally do it, and you can check the code.