Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Modelur - Save time and make well-informed decisions during early stages of urban design.
ZBrush - ZBrush is a digital sculpting and painting software solution.
CityEngine - CityEngine is a 3D modeling software application that uses the method of procedural generation to facilitate urban modeling and design on a massive scale.
DAZ 3D - Daz 3D, 3D Models, 3D Animation, 3D Software
Suicidator City Generator - Suicidator City Generator (SCG) is a Blender3D script.