Blender

Wiki says: Blender is a professional, free and open-source 3D computer graphics software toolset used for creating animated filmsvisual effects, art, 3D printed models, interactive 3D applications and video games. Blender's features include 3D modelingUV unwrappingtexturingraster graphics editingrigging and skinningfluid and smoke simulationparticle simulation, soft bodysimulation, sculptinganimatingmatch movingrendering, motion graphics, video editing and compositing.