What is Blender (one of the 3D CG Open-Source Solutions)
Blender is an Open Source 3D computer graphics and animation software program released under the General Public License (GNU) and it provides all 3D CG functions from modeling, surfacing, rigging, keyframing, soft body simulation, camera tracking and compositing, etc. It comes with its high-end pathtracer render engine as well as a game engine. Details about Blender can be found in their official website http://www.blender.org
Blender 4.2 LTS is the latest release ready for download at http://www.blender.org/download/