| Modules | |
| group | Main Loop | 
| group | Window Management | 
| group | Window Callbacks | 
| group | Input State | 
| group | Input Callbacks | 
| group | Geometric Rendering | 
| group | Text Rendering - Bitmapped Fonts | 
| group | Text Rendering - Stroke Fonts | 
| group | Idle and Timer Callbacks | 
| group | State Query | 
| group | Menu Management | 
| group | Menu Callbacks | 
| group | Game Mode | 
| group | OpenGL Utilities | 
| group | OpenGLUT Utilities | 
| group | Overlays | 
| group | Experimental Features | 
| group | Deprecated Calls |