**Документация:**

https://www.opengl.org/sdk/docs/  
https://www.opengl.org/wiki/Main_Page  
https://www.opengl.org/registry/  
http://docs.gl/  
https://github.com/g-truc/ogl-samples

**Тьюториалы:**

http://www.learnopengl.com/ ( [Переводы на Хабре](https://habr.com/ru/search/?target_type=posts&q=%5Bopengl%203%5D&order_by=date) )  
https://code.google.com/p/gl33lessons/  
https://triplepointfive.github.io/ogltutor/index.html  
http://www.opengl-tutorial.org/ru/beginners-tutorials/  


**Полезные ссылки:**

http://tfc.duke.free.fr/  
http://tfpsly.free.fr/bookmarks.html  
https://github.com/eug/awesome-opengl

https://www.youtube.com/user/BSVino/playlists  
https://www.youtube.com/user/thebennybox/playlists  

https://habr.com/post/248153/ (Краткий курс по КГ)  
https://www.shadertoy.com/  
http://www.andersriggelsen.dk/glblendfunc.php  

**Архив:**

https://arhivach.ng/thread/28624/  
https://arhivach.ng/thread/47586/  
https://arhivach.ng/thread/64117/  
https://arhivach.ng/thread/192404/  
https://arhivach.ng/thread/250601/