I understand, that's what I meant when I said "the first of such programs" because there has been a good bit of evolution in the scene.

But Treemaker remains notable for being the first of its kind.

In a lot of ways, papercraft is an easier problem to solve than origami. Pepakura Designer is still a cool project and makes me wish I were more into papercraft than origami.

The link you provided could really use some screenshots so I could compare its feature set to others at a glance