OpenGL

Ciro Santilli has some good related articles listed under: the best articles by Ciro Articles.

Good library to render text in OpenGL, see also: stackoverflow.com/questions/8847899/opengl-how-to-draw-text-using-only-opengl-methods/36065835#36065835

The fact that they kept the standard open source makes them huge heroes, see also: closed standard.

Shame that many (most?) of their proposals just die out.

Good modern OpenGL tutorial in retained mode with shaders, see also: stackoverflow.com/questions/6733934/what-does-immediate-mode-mean-in-opengl/36166310#36166310