SpriteWorks 2 from Garage games
https://www.garagegames.com/products/spriteworks
-Tutorial-
http://vimeo.com/2737182
or blender, poser
or
Model-2-Sprite from the game creators ( only x or DBO format object )
http://www.thegamecreators.com/?m=view_product&id=2302
Thanks. I have face same problem. I have ask questions on other forums. But, I have get answer from here. I have generally making a 2D animations. But, I think to go for 3D animations. I have use whiteboardanimationsoftwares.com/anime-studio-debut-10-review anime studio debute for 2D animation. Please tell me some software name that help me to create 3D animations.