3DCrafter is described as '(formerly 3D Canvas) is a real-time 3D modeling and animation tool that incorporates an intuitive drag-and-drop approach to 3D modeling' and is an app in the Photos & Graphics category. There are more than 50 alternatives to 3DCrafter 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 3DCrafter are Autodesk Maya (Paid), Wings 3D (Free, Open Source), Autodesk 3ds Max (Paid) and ZBrush (Paid).
picoCAD is a program to build and texture lowpoly 3D models. Programs for modelling are overly complicated, picoCAD aims to make it fun, easy, and accessible by focusing on the bare essentials. This program was made using pico 8.
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!