Yeah, only few are actually used widely with enough feature support.

It can be divided into a few categories: 1. OLTP, thing that requires frequent updates HBase, CouchDB 2. Distributed key-value store Cassandra 3. OLAP, analytical, batch Hive, Impala 4. ETL, stream processing Spark 5. OLAP, analytical, low-latency Druid

There are a bunch of other auxiliary projects that makes deploying those things at scale feasible, such as ZooKeeper, HDFS what not....