| AllowCustomizationAttribute | Obsolete. |
| AllowOverridesAttribute | Identifies an entity as eligible (or ineligible) for being overridden via an entity override. |
| CustomEntityRegistrar | Provides services related to the registering of custom entities and list table aliases |
| EnumerableExtensionsForNetForumEntity | |
| FetchStrategyHintAttribute | |
| ForceDeleteModeAttribute | Specifies a delete mode for an entity explicitly, as opposed to allowing NetFORUM or Ignition system logic to make the determination |
| NetForumBusinessObjectAttribute | |
| NetForumBusinessObjectCollectionAttribute | Indicates that this property is a collection of netFORUM business objects |
| NetForumEntity | Represents a generic NetFORUM Business Object, with some additional Ignition-provided functionality |
| NetForumEntityEntityRevisionInformation | |
| NetForumFieldAttribute | |
| NetForumSubEntityCollectionAttribute | |
| ParentEntityIdAttribute | Indicates that the annotated property maps to the Id of this entity's parent entity. |
| QueryOnEqualityAttribute | |
| StoredProcedureBackedAttribute |
| DeleteModes | Defines the ways in which entity deletes can be handled by NetFORUM |
| NetForumDataBindingMode | |
| PropertyFetchStrategy |