storm-hbase is a HBase connector for Storm (https://github.com/nathanmarz/storm/). It enables huge amounts of streaming data, and stateful representations of streaming data, to be persisted in HBase - the scalable, distributed, big data store.
The connector provides a number of Bolt and Trident State implementations. It can be used for simple Storm to HBase integration and in more complex architectures, such as the "Lambda Architecture":
Further documentation and example topologies can be found on these wiki pages: