O3D
Objektorientierte Programmierung
Occlusion Culling
Octane
Oculus
Odometrie
Ogre
Onion skinning
Onlinemarketing
Online Publishing
Open GL
Open Handset Alliance
Open Source
OpenEXR
OpenGL ES
Openglide
OpenML
OpenSCAD
Openshot
OpenVG
Optix
Oracle Corporation
Overhead
OVI