Top 25: most popular 3D modeling software for 3D printing - see the entire ranking in our latest blog post.
http://i.materialise.com/blog/top-25-most-popular-3d-modeling-design-software-for-3d-printing
That metric is b***.
Mentioning something doesn’t mean it’s popular.
It may be mentioned because it’s broken and ill documented. So you complain often and you have to ask often about the most trivial tasks.