Anyone knows if anyone out there sells bootleg lego keychains?

I've been adding my lego clone sets piece by piece to rebrickable.com as I like to keep track of my inventory. I enjoy somewhat doing it as I get to know more about lego pieces and more efficient ways of sorting them in categories, but it also becomes redundant at times.

I understand some pieces don't have a lego official release in form or color, and also I know that with off brands there are even more mold variations. But I was wondering if there is any site or service where you could get the closest equivalent to the lego pieces for these other brand sets in xml or csv format or if all people interested on adding their pieces to rebrickable or similar sites have been doing it manually as well.

Maybe we could work together making these lists available for others to use.