| NATS | |
| NCatAPI | |
| NCommonRendererUI | This namespace aggregates various UI functionality to be shared by renderers | 
| NGFX_MESH | |
| NIKSys | |
| NImportExportInterface | |
| NLightingModel | |
| NManagedServices | |
| ▼NMax | |
| NRenderingAPI | |
| NMAXScript | |
| ▼NMaxSDK | |
| NAssetManagement | |
| NChannelData | These are classes and enums to support the Data Channel Modifier | 
| NCUI | |
| NCustomFileStreamAPI | This API is used to support OLE structured storage streams containing user specified string data in 3ds Max scene files or other OLE Structured Storage based files | 
| NDebuggingTools | |
| NGeomBind | These classes let you define skin weighting using a voxel or height map based algorithm | 
| ▼NGraphics | |
| NUtilities | |
| NNotificationAPI | |
| NNotificationAPIUtils | This namespace exposes 4 private internal calls to the 3dsmax application | 
| NOSL | |
| NParticleFlow | |
| NPerformanceTools | |
| NPointCloud | |
| NPopulate | |
| ▼NRenderingAPI | |
| NTranslationHelpers | |
| NSkinEngine | |
| NThreadingDebuggingTools | The functions in this namespace are provided to assist in debugging operations performed on a worker thread | 
| ▼NUtil | |
| NDebugHelpers | |
| NTextFile | |
| NNodeEventNamespace | |
| NPF | |
| NQtHelpers | |
| NSceneEventNamespace | |
| NSlate | |
| NToolClips | |
| ▼NUI | Namespace UI (Userinterface) Containing the namespace, EMouseCursors containing the function to load the cursors | 
| NMouseCursors | |
| NUtilityInterface |