Shade 3D for Unity is an incredibly useful and free tool for creating and transforming your animated 3D models into game ready content, especially for Unity 3D development. Unity 3D is a powerful, visual game development tool for building games for the desktop, mobile and console games. Chances are, if you have a 3D game on your iPhone or iPad it was made with Unity. Perhaps best of all, if you are just starting out in game development - Unity 3D won't cost you a thing to get started either. Shade 3D for Unity lets you import standard 3D file formats such as FBX, Wavefront OBJ, SketchUp skp and Shade shd files and modify and transform them so they can be easily imported into your next Unity based game.
This is one of the most powerful modelers available for free, for creating original 3D models, importing 3D models from other programs, and then making them usable within game development systems like Unity. Import/Export FBX (with animation), SketchUp and OBJ.
This is useful for game developers and game designers, but also useful for creating, modifying and animating 3D models.