GLFW+OpenGL+GLUT+GLEW

OpenGL(Open Graphics Library)

💡 cross-language,cross-platform API for rendering 2D and 3D vector graphics

GLFW(Graphics Library Framework)

💡 a lightweight utility library for use with OpenGL

Functions

1. create and manage windows with OpenGL contexts
2. access input from the keyboard,mouse

GLUT(OpenGL Utility Toolkit)

💡 a [library](https://en.wikipedia.org/wiki/Library_(computing)) of utilities for [OpenGL](https://en.wikipedia.org/wiki/OpenGL) programs

similar to GLFW

GLU

💡 consists of lots of functions that use the OpenGL library to provide some **high-level drawing routines**