Blender is the free open source 3D content creation suite. Blender is a powerfull 3D Software for modeling - shade - animate - render - composite - interactive 3d
Blender's animations systems supports a variety of techniques and tasks, allowing the creation of complex animations.
OS Supported Platforms : Windows 2000, XP, Vista, Mac OS X (PPC and Intel), Linux (i386, SGI Irix 6.5, Sun Solaris 2.8 (sparc)
