MagicaCSG is described as 'A lightweight signed distance field editor and renderer' and is an app in the Photos & Graphics category. There are more than 100 alternatives to MagicaCSG for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPad. The best alternative is Blender, which is both free and Open Source. Other great apps like MagicaCSG are Natron (Free, Open Source), Wings 3D (Free, Open Source), Autodesk Maya (Paid) and ZBrush (Paid).
TouchDesigner is a complete authoring tool for building interactive 3D art, visualizations, prototypes and UIs. Derivative makes and supports TouchDesigner and offers their services to do custom production using TouchDesigner.
Neobarok is a 3D modeling software aimed at artists and users of all levels. It allows you to quickly give shape to your artistic, design, or engineering ideas, to create highly complex objects using a relatively simple toolkit.
Motion is a compositing application used to create and edit motion graphics, titling for video and film production, and 2D and 3D compositing for visual effects. Motion is now included in the Final Cut Pro X video post-production suite.