| Name | Description | Type | Package | Framework |
| AbstractBaseHistogram | Source Code:AbstractBaseHistogram. | Class | hep.aida.ref.histogram | FreeHep |
| BasicBinner1D | Class | hep.aida.ref.histogram.binner | FreeHep | |
| BasicBinner2D | Class | hep.aida.ref.histogram.binner | FreeHep | |
| BasicBinner3D | Class | hep.aida.ref.histogram.binner | FreeHep | |
| Binner1D | Interface | hep.aida.ref.histogram.binner | FreeHep | |
| Binner2D | Interface | hep.aida.ref.histogram.binner | FreeHep | |
| Binner3D | Interface | hep.aida.ref.histogram.binner | FreeHep | |
| Cloud | Source Code:Cloud. | Class | hep.aida.ref.histogram | FreeHep |
| Cloud1D | Source Code:Cloud1D. | Class | hep.aida.ref.histogram | FreeHep |
| Cloud2D | Class | hep.aida.ref.histogram | FreeHep | |
| Cloud3D | Class | hep.aida.ref.histogram | FreeHep | |
| DataPoint | Basic user-level interface class for holding and managing a single set of "measurements". | Class | hep.aida.ref.histogram | FreeHep |
| DataPointSet | Basic user-level interface class for holding and managing a single set of "data points". | Class | hep.aida.ref.histogram | FreeHep |
| DataPointSetFactory | Basic user-level interface for creating a factoryAuthor:The AIDA team @ SLAC. | Class | hep.aida.ref.histogram | FreeHep |
| EfficiencyBinner1D | Class | hep.aida.ref.histogram.binner | FreeHep | |
| EfficiencyBinner2D | Class | hep.aida.ref.histogram.binner | FreeHep | |
| EfficiencyBinner3D | Class | hep.aida.ref.histogram.binner | FreeHep | |
| EfficiencyBinnerUtils | Class | hep.aida.ref.histogram.binner | FreeHep | |
| FixedAxis | Fixed-width axis; A reference implementation of hep. | Class | hep.aida.ref.histogram | FreeHep |
| HistUtils | Class | hep.aida.ref.histogram | FreeHep | |
| Histogram | Source Code:Histogram. | Class | hep.aida.ref.histogram | FreeHep |
| Histogram1D | Source Code:Histogram1D. | Class | hep.aida.ref.histogram | FreeHep |
| Histogram2D | Source Code:Histogram2D. | Class | hep.aida.ref.histogram | FreeHep |
| Histogram3D | Source Code:Histogram3D. | Class | hep.aida.ref.histogram | FreeHep |
| HistogramFactory | Class | hep.aida.ref.histogram | FreeHep | |
| Measurement | Basic user-level interface class for holding a single "measurement" with positive and negative errors (to allow for asymmetric errors). | Class | hep.aida.ref.histogram | FreeHep |
| Profile | Source Code:Profile. | Class | hep.aida.ref.histogram | FreeHep |
| Profile1D | Source Code:Profile1D. | Class | hep.aida.ref.histogram | FreeHep |
| Profile2D | Source Code:Profile2D. | Class | hep.aida.ref.histogram | FreeHep |
| UnfillableHistogramException | Exception thrown if an IHistogram is unfillable. | Class | hep.aida.ref.histogram | FreeHep |
| VariableAxis | Variable-width axis; A reference implementation of hep. | Class | hep.aida.ref.histogram | FreeHep |
| Histogram1D | A reference implementation of hep. | Class | hep.aida.ref | Colt |
| Histogram2D | A reference implementation of hep. | Class | hep.aida.ref | Colt |
| Histogram3D | A reference implementation of hep. | Class | hep.aida.ref | Colt |