EasyToy is described as '3D modeling software. It uses a sketch-based modeling method and a 3D painting method. The user interface is very friendly, and operations are very simple. A complex 3D model can be created quickly by combining several simple operations ' and is an app in the Photos & Graphics category. There are more than 50 alternatives to EasyToy for a variety of platforms, including Windows, Mac, Linux, iPad and Online / Web-based. The best alternative is Blender, which is both free and Open Source. Other great apps like EasyToy are Wings 3D (Free, Open Source), Autodesk Maya (Paid), Pencil2D (Free, Open Source) and ZBrush (Paid).
Wings 3D is a subdivision modeler inspired by Nendo and Mirai from Izware. It is possible to assign materials, vertex color, UV coordinates and textures, but there will be improvements in those features before Wings goes 1.0.
Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old Pencil software. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics.
Sketchfab is the first web service to publish interactive 3D content online in real-time without plugins. Every new format has its global platform: videos have Youtube, photos have flickr, sounds have Soundcloud... Now 3D files have Sketchfab.