is a game development platform for creating 2D and 3D games and simulations. Familiarity with 3D concepts and basic programming skills are helpful. Other similar game development software include Unreal Engine and Source game engine. The following are free versions of Unity.
is web-based, modeling software for drawing in 3D. SketchUp Free runs in your web browser (nothing to download), provides 10GB of cloud storage, and includes an app to view 3D models on your mobile device. SketchUp Free can import SKP, JPG, PNG file types and export SKP, PNG, STL file types. Through SketchUp Free you also have access to user-generated and manufacturer-produced models to give your projects context and life.
is a free and open source 3D creation suite. It supports 3D modeling, rigging, animation, simulation, rendering, compositing and motion tracking, and video editing and game creation.
is a web framework for building virtual reality (VR) experiences. A-Frame is based on top of HTML, making it simple to get started. As an independent open source project, A-Frame has grown to be one of the largest VR communities.