You can do the wrapX technique in Houdini apprentice for free http://forums.odforce.net/topic/28907-wrapping-geo-like-wrap3/#comment-164288 And you won't just be limited to 'wrapping' polygons :wink:
Bummer that Houdini Apprentice is only for non commercial work. I regularly use Wrap and WrapX and can only recommend them. Combining Wrap/WrapX with Retopoflow and other plugins/programs is a sure way of finishing the Retopo step much faster. Here is an extreme case I did recently with Wrap. (please excuse all the…