NakedRabbit
About retargeting, I got good results with using the KineFX system on Houdini, you could look into it. I’m not that big of a Motion Builder guy but I think it could work as quite a few people use it.
It seems markerless mocap is on the rise and there are cheaper and easier to use than a suit, I think that’s where the indie community is headed
Btw, has anyone managed to record locomotion info? Any ideas?