Universal Gcode Sender - A full featured gcode platform used for interfacing with advanced CNC controllers like GRBL and TinyG.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
bCNC - Development
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Candle - GRBL controller application with G-Code visualizer written in Qt
Autodesk Maya - Maya is 3D computer animation software with powerful modeling, rendering, simulation, texturing, and animation tools for artists, modelers, and animators.