- By undefined user Published:Blender 2.46 (32 bits) | 8.78 MBfor Windows 98, ME, 2000, XP, VistaBlender is the open source software for 3D modeling, animation, rendering, post-production, interactive creation and playback. Available for all major operating systems under the GNU General Public License.If you don't know Blender you should definitely check it out. It is a free open source 3D content creation suite and a good alternative to programs like 3DS Max and Maya. original news