Why I ask for software
To perform batch conversion of many existing .raf files to .jpg.
Why I want Fujifilm's algorithm, specifically
I have tried Lightroom and Silkypix, and both fail to give usable results when converting from RAF to JPG. The results are shockingly hideous (as in, one would not expect this sort of thing from them), with blown out blue and extreme loss of detail, not to mention that it's completely inaccurate color representation. Silkypix is not as bad as Adobe in that it has more detail, but its color representation is also off.
Here is an example. It's a white, lace curtain lit by light blue stage lighting.
Left: Lightroom with ACR 7.5, Right: Fujifilm X100 converted in-camera