YTsaurus is a scalable and fault-tolerant open-source big data platform.
Redshift data source for Spark
Sclera - Oracle Connector
SQL insert statements generator based on Scala case class.
Apache Calcite Adapter for Apache Kudu
Akka-persistence-inmemory is a plugin for akka-persistence that stores journal and snapshot messages memory, which is very useful when testing persistent actors, persistent FSM and akka cluster