Dust3D is a free and open-source software for quick making 3D model with texture and rig automatically generated. It supports Linux, MacOS, and Windows. Created by Jeremy Hu the program is geared towards creators in the game industry who want to model quickly and in low-poly format.
Dust3D is being updated regularly and is a promising 3D application. You can visit Jeremy's Dust3D website for more info. We also have a short video from Jeremy's YouTube channel which shows what Dust3D can do.