| Name | Type | Package | Detail |
| | | |
| BaseBatchBolt | Class | topology.base | Detail |
| BaseTransactionalBolt | Class | topology.base | Detail |
| BatchNumberList | Class | storm.testing | Detail |
| CountingBatchBolt | Class | storm.testing | Detail |
| CountingCommitBolt | Class | storm.testing | Detail |
| KeyedCountingBatchBolt | Class | storm.testing | Detail |
| KeyedCountingCommitterBolt | Class | storm.testing | Detail |
| KeyedSummingBatchBolt | Class | storm.testing | Detail |
| ReachTopology.CountAggregator | Class | storm.starter | Detail |
| ReachTopology.PartialUniquer | Class | storm.starter | Detail |
| TransactionalGlobalCount.BatchCount | Class | storm.starter | Detail |
| TransactionalGlobalCount.UpdateGlobalCount | Class | storm.starter | Detail |
| TransactionalWords.BucketCountUpdater | Class | storm.starter | Detail |
| TransactionalWords.KeyedCountUpdater | Class | storm.starter | Detail |
