Blender is an integrated suite of free and open source tools enabling
the creation of a broad range of 3D content with the singular
benefits of cross- platform interoperability. It can be used to
create 3D visualizations, stills as well as broadcast and cinema
quality video. It features fully integrated creation suite, offering
a broad range of essential tools  for the creation of 3D content,
including modeling, uv-mapping, texturing, particle and other
simulation, scripting, rendering, compositing,post-production, and
game creation.