| Name | Description | Type | Package | Framework | 
| CombineMapsideFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| CrunchIterable | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| CrunchPairTuple2 | See Also:Serialized FormConstructor SummaryCrunchPairTuple2() | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | 
| FlatMapIndexFn | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| FlatMapPairDoFn | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| InputConverterFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| MapFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| MapOutputFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| OutputConverterFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| PairFlatMapDoFn | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| PairMapFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| PairMapIterableFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| PartitionedMapOutputFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| ReduceGroupingFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |
| ReduceInputFunction | Class | org.apache.crunch.impl.spark.fn | Apache Crunch | |