Unity - The multiplatform game creation tools for everyone.
Thangs3D - Thangs3D is an online community for engineers and visual designers that provides unlimited downloads of 3D models and CAD designs.
Godot Engine - Feature-packed 2D and 3D open source game engine.
STLFinder - The 3d models search engine.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
GrabCAD Library - The GrabCAD Library offers millions of free CAD designs, CAD files, and 3D models. Join the GrabCAD Community today to gain access and download!