What are some alternatives?
When comparing Strata Design 3D CX and EQUINOX-3D, you can also consider the following products
SelfCAD - SelfCAD is an online 3D modeling and slicing software.
Maya - Maya in Launchpad
PathEngine - PathEngine is a middleware toolkit for the implementation of intelligent agent movement, built around and implementation of points-of-visibility pathfinding on 3D ground surfaces.
LightWave 3D - LightWave 3D combines a state-of-the-art renderer with powerful, intuitive modeling, and animation tools.
Clara.io - Free online 3D modeling software: Design, editor, animation, rendering, & lots of free 3D models. Supports Three.JS, Blend, FBX, OBJ, V-Ray, Babylon.JS, STL.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.