Getting started with OpenGL.
https://sourceforge.net/projects/glew/files/glew/2.1.0/glew-2.1.0.zip/download
https://github.com/glfw/glfw/releases/download/3.2.1/glfw-3.2.1.zip
https://glm.g-truc.net/0.9.8/index.html
https://github.com/g-truc/glm/releases/download/0.9.8.5/glm-0.9.8.5.zip
https://github.com/sdottaka/freeimage
https://www.freetype.org/index.html
https://sourceforge.net/projects/freetype/files/latest/download?source=files
Build from freetype -> builds.
http://assimp.sourceforge.net/
https://github.com/assimp/assimp/archive/v3.3.1.zip
http://programmersforum.ru/showthread.php?p=1539400
Use CMake for GLFW and Assimp.