Blender 2.45 RC2

Aimed world-wide at media professionals and artists, Blender can be used to create 3D visualizations, stills as well as broadcast and cinema quality video, while the incorporation of a real-time 3D engine allows for the creation of 3D interactive content for stand-alone playback.
Originally developed by the company Not a Number (NaN), Blender now is continued as Free Software, with the source code available under the GNU GPL license. It now continues development by the Blender Foundation in the Netherlands.

Key Features:
Fully integrated creation suite, offering a broad range of essential tools for the creation of 3D content, including modeling, uv-mapping, texturing, rigging, weighting, animation, particle and other simulation, scripting, rendering, compositing, post-production, and game creation;
Cross platform, with OpenGL uniform GUI on all platforms, ready to use for all versions of Windows (98, NT, 2000, XP), Linux, OS X, FreeBSD, Irix, Sun and numerous other operating systems;
High quality 3D architecture enabling fast and efficient creation work-flow;