Middleware
Software theme
Alternate names: Libraries, Engines
This is a container group; its children are:
| AI middleware | (too short) | container group | |
| Audio middleware | (too short) | container group | |
| Graphics middleware | Any middleware that deals with rendering, texturing, visual effects, graphical user interface, image manipulation, animation, etc. | container group | |
| Networking middleware | (too short) | container group | |
| Physics middleware | (too short) | container group |