RWS File Converter

Hi, i'm trying to convert some RWS files from Jimmy Neutron Attack of the Twonkies. I'm almost positive they're model files, and I've heard of this program called RWConverter that will convert them but i cant seem to find a download for it anywhere.

Here's one of the files: https://mega.nz/#!U7RyVTbI!3CSdBnKa5lD-xb2aNsuPgWm5aYZX2dCE0aP-te1UtMw