| Name | Description | Type | Package | Framework |
| AggregatorEveryStage | Class | cascading.flow.stream.element | Cascading | |
| BlockingMode | Class | cascading.flow.stream.annotations | Cascading | |
| BoundaryStage | Class | cascading.flow.stream.element | Cascading | |
| BufferEveryWindow | Class | cascading.flow.stream.element | Cascading | |
| CloseReducingDuct | Class | cascading.flow.stream.duct | Cascading | |
| Duct | Class | cascading.flow.stream.duct | Cascading | |
| DuctException | Class | cascading.flow.stream.duct | Cascading | |
| DuctGraph | Class | cascading.flow.stream.duct | Cascading | |
| DuctGraph .Ordinal | Class | cascading.flow.stream.duct.DuctGraph | Cascading | |
| EachStage | Class | cascading.flow.stream.element | Cascading | |
| ElementDuct | Interface | cascading.flow.stream.element | Cascading | |
| ElementFlowProcess | Class | cascading.flow.stream.element | Cascading | |
| ElementStage | Class | cascading.flow.stream.element | Cascading | |
| EveryStage | Class | cascading.flow.stream.element | Cascading | |
| FilterEachStage | Class | cascading.flow.stream.element | Cascading | |
| Fork | Class | cascading.flow.stream.duct | Cascading | |
| FunctionEachStage | Class | cascading.flow.stream.element | Cascading | |
| Gate | Class | cascading.flow.stream.duct | Cascading | |
| GroupAssertionEveryStage | Class | cascading.flow.stream.element | Cascading | |
| Grouping | Class | cascading.flow.stream.duct | Cascading | |
| GroupingSpliceGate | Class | cascading.flow.stream.element | Cascading | |
| IORole | Enum IORole specifies how a FlowElement will be used during streaming. | Class | cascading.flow.stream.graph | Cascading |
| MemoryCoGroupClosure | Class | cascading.flow.stream.element | Cascading | |
| MemoryCoGroupGate | Class | cascading.flow.stream.element | Cascading | |
| MemoryHashJoinGate | Class | cascading.flow.stream.element | Cascading | |
| MemorySpliceGate | Class | cascading.flow.stream.element | Cascading | |
| MergeStage | Class | cascading.flow.stream.element | Cascading | |
| NodeStreamGraph | Class | cascading.flow.stream.graph | Cascading | |
| OpenDuct | Class | cascading.flow.stream.duct | Cascading | |
| OpenReducingDuct | Class | cascading.flow.stream.duct | Cascading | |
| OperatorStage | Class | cascading.flow.stream.element | Cascading | |
| Reducing | Interface | cascading.flow.stream.duct | Cascading | |
| SinkStage | Class | cascading.flow.stream.element | Cascading | |
| SourceStage | Class | cascading.flow.stream.element | Cascading | |
| SparseTupleComparator | Class | cascading.flow.stream.util | Cascading | |
| SpliceGate | Class | cascading.flow.stream.element | Cascading | |
| Stage | Class | cascading.flow.stream.duct | Cascading | |
| StreamGraph | Under some circumstances it may make sense to see the actual graph plan. | Class | cascading.flow.stream.graph | Cascading |
| StreamMode | Class | cascading.flow.stream.annotations | Cascading | |
| TrapException | TrapException is a pass through exception allowing trap io failures to propagate past upstream traps. | Class | cascading.flow.stream | Cascading |
| TrapHandler | Class | cascading.flow.stream.element | Cascading | |
| ValueAssertionEachStage | Class | cascading.flow.stream.element | Cascading | |