Plopp is described as 'PLOPP is a creative painting tool for cartoon-like 3D scenes without the effort that comes with professional 3D modelling programs. You can build 3D objects very easily! Just paint them in a 2D environment and PLOPP will transform them into 3D!' and is an app in the Photos & Graphics category. There are more than 25 alternatives to Plopp for a variety of platforms, including Windows, Mac, Linux, iPad and iPhone. The best alternative is Blender, which is both free and Open Source. Other great apps like Plopp are ZBrush (Paid), Sketchfab (Freemium), Bforartists (Free, Open Source) and 3D-Coat (Paid).
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.
Rocket 3F is polygonal modeller created for Concept Artists and Designers. Modeling with Rocket 3F is like drawing - very Simple and Inspiring! The Most important feature of Rocket 3F is Workflow! It is Fast Fun and Friendly!