Computer Graphics 2021

Lighthouse3D GLSL Tutorial
http://www.lighthouse3d.com/tutorials/glsl-tutorial/

Modern OpenGL Programming
http://en.wikibooks.org/wiki/OpenGL_Programming#Modern_OpenGL

Modern OpenGL Step-by-Step
http://ogldev.atspace.co.uk/

Learning Modern 3D Graphics Programming
http://www.arcsynthesis.org/gltut/index.html

OpenGLBook.com
http://openglbook.com/

AmazingKing Modern OpenGL Tutorials
http://www.theamazingking.com/ogl.php

Unity3D Download
https://unity3d.com/kr/get-unity/download

Visual Studio 2019 Community: A free, fully-featured, and extensible IDE for creating modern applications for Windows, Android, and iOS, as well as web applications and cloud services.

https://www.visualstudio.com/ko/downloads/