Blender - Blender is the open source, cross platform suite of tools for 3D creation.

Autodesk Maya - Maya is 3D computer animation software with powerful modeling, rendering, simulation, texturing, and animation tools for artists, modelers, and animators.

Sculptris - Sculptris: Enter a world of digital art without barriers.

Houdini - Houdini covers all the major areas of 3D production, including:

Misfit Model 3D - Misfit Model 3D is a 3D model editor that basically operates with triangle-based models.

Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.