download top free software for windows mac os x and linux
Pencil Animaton
Pencil is an animation software which you can create classic animations in 2d like cartoons and export it as movie or flash,
With Pencil you can create flash banners or flash animations in swf format for free,
Pencil is an opensource free software for windows mac os x and linux…
Blender the free open source 3D content creation suite.
Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License.
Blender is an alternative to very expensive animation softwares, for learning and bussiness purposes and to produce high level animations.
See it on comparison chart at http://www.tdt3d.be/articles_viewer.php?art_id=99
Tutorials : http://www.tutsbuzz.com/tutorials/blender3d.html