For sale at $10:
https://apps.autodesk.com/RVT/en/Det...windows64%3aen

I originally wrote it because I do much laser scan tracing. I like to use Imaginit's Scan To BIM. While it can do a good job deriving elements from point clouds, it does not snap them to being orthogonal. Trying to get skewed pipes vertical is quite difficult with Revit's UI.