Unity (https://unity3d.com) is a three-dimensional game engine that supports development on 64-bit Windows or Mac, and deployment to many platforms, including Windows, Mac, Linux, iOS, Android, WebGL, and several game consoles. For one of our projects, we will use Unity along with a plugin called OpenCV for Unity, which is developed by Enox Software (http://enoxsoftware.com/.) The main programming language for Unity projects is C#, and OpenCV for Unity provides a C# API that is modeled on the OpenCV Java API for Android.
Unity has three license plans, Personal, Plus, and Pro, which all support the plugin that we want to use. The different editions are for different sizes of companies, as described in the licensing information at https://store.unity.com. The Personal license is free. The Plus and Pro licenses have subscription costs. If you are not...