If you have any more than zero experience modelling, Blender offers this and a great number of other tools for modelling, rigging, and animation. Also, Blender

If you have any more than zero experience modelling, Blender offers this and a great number of other tools for modelling, rigging, and animation. Also, Blender is coming up on a big release which should make it a lot simpler for newcomers to get started. If you are willing to save often, you could just start with the 2.8 Beta now, and you won't have to do any adjusting when it comes out as stable.