| Name | Description | Type | Package | Framework |
| TArray | Source Code:TArray. | Interface | hep.io.root.interfaces | FreeHep |
| TArrayC | Source Code:TArrayC. | Interface | hep.io.root.interfaces | FreeHep |
| TArrayD | Source Code:TArrayD. | Interface | hep.io.root.interfaces | FreeHep |
| TArrayF | Source Code:TArrayF. | Interface | hep.io.root.interfaces | FreeHep |
| TArrayI | Source Code:TArrayI. | Interface | hep.io.root.interfaces | FreeHep |
| TAttAxis | Source Code:TAttAxis. | Interface | hep.io.root.interfaces | FreeHep |
| TAttFill | Source Code:TAttFill. | Interface | hep.io.root.interfaces | FreeHep |
| TAttLine | Source Code:TAttLine. | Interface | hep.io.root.interfaces | FreeHep |
| TAttMarker | Source Code:TAttMarker. | Interface | hep.io.root.interfaces | FreeHep |
| TAxis | Source Code:TAxis. | Interface | hep.io.root.interfaces | FreeHep |
| TBasket | Interface | hep.io.root.interfaces | FreeHep | |
| TBranch | Source Code:TBranch. | Interface | hep.io.root.interfaces | FreeHep |
| TBranchClones | Source Code:TBranchClones. | Interface | hep.io.root.interfaces | FreeHep |
| TBranchElement | Source Code:TBranchElement. | Interface | hep.io.root.interfaces | FreeHep |
| TBranchObject | Source Code:TBranchObject. | Interface | hep.io.root.interfaces | FreeHep |
| TClonesArray | Interface | hep.io.root.interfaces | FreeHep | |
| TCollection | Source Code:TCollection. | Interface | hep.io.root.interfaces | FreeHep |
| TDatime | Source Code:TDatime. | Interface | hep.io.root.interfaces | FreeHep |
| TDirectory | Interface | hep.io.root.interfaces | FreeHep | |
| TFile | Interface | hep.io.root.interfaces | FreeHep | |
| TGraph | Source Code:TGraph. | Interface | hep.io.root.interfaces | FreeHep |
| TH1 | Source Code:TH1. | Interface | hep.io.root.interfaces | FreeHep |
| TH1D | Source Code:TH1D. | Interface | hep.io.root.interfaces | FreeHep |
| TH1F | Source Code:TH1F. | Interface | hep.io.root.interfaces | FreeHep |
| TH2 | Source Code:TH2. | Interface | hep.io.root.interfaces | FreeHep |
| TH2D | Source Code:TH2D. | Interface | hep.io.root.interfaces | FreeHep |
| TH2F | Source Code:TH2F. | Interface | hep.io.root.interfaces | FreeHep |
| TKey | Interface | hep.io.root.interfaces | FreeHep | |
| TLeaf | Source Code:TLeaf. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafB | Source Code:TLeafB. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafC | Source Code:TLeafC. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafD | Source Code:TLeafD. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafElement | Source Code:TLeafElement. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafF | Source Code:TLeafF. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafI | Source Code:TLeafI. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafObject | Source Code:TLeafObject. | Interface | hep.io.root.interfaces | FreeHep |
| TLeafS | Source Code:TLeafS. | Interface | hep.io.root.interfaces | FreeHep |
| TList | Source Code:TList. | Interface | hep.io.root.interfaces | FreeHep |
| TMap | Interface | hep.io.root.interfaces | FreeHep | |
| TNamed | Source Code:TNamed. | Interface | hep.io.root.interfaces | FreeHep |
| TObjArray | Interface | hep.io.root.interfaces | FreeHep | |
| TObject | Source Code:TObject. | Interface | hep.io.root.interfaces | FreeHep |
| TProfile | Source Code:TProfile. | Interface | hep.io.root.interfaces | FreeHep |
| TSeqCollection | Source Code:TSeqCollection. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerBase | Source Code:TStreamerBase. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerBasicPointer | Source Code:TStreamerBasicPointer. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerBasicType | Source Code:TStreamerBasicType. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerElement | Source Code:TStreamerElement. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerInfo | Source Code:TStreamerInfo. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerLoop | Source Code:TStreamerLoop. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerObject | Source Code:TStreamerObject. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerObjectAny | Source Code:TStreamerObjectAny. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerObjectPointer | Source Code:TStreamerObjectPointer. | Interface | hep.io.root.interfaces | FreeHep |
| TStreamerString | Source Code:TStreamerString. | Interface | hep.io.root.interfaces | FreeHep |
| TString | Source Code:TString. | Interface | hep.io.root.interfaces | FreeHep |
| TTree | Source Code:TTree. | Interface | hep.io.root.interfaces | FreeHep |