There's also Blender. 3D modelling is arguably a fairly complex and large field (lighting, rendering, physics, simulations etc). Yet, the team behind Blender ar

There's also Blender. 3D modelling is arguably a fairly complex and large field (lighting, rendering, physics, simulations etc). Yet, the team behind Blender are doing an amazing job and the gap between commercial software (e.g. Maya, 3ds Max) and Blender are closing with every release.