Apache Beam is a unified programming model for Batch and Streaming data processing.

The scala-maven-plugin (previously maven-scala-plugin) is used for compiling/testing/running/documenting scala code in maven.

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

Java Collections till the last breadcrumb of memory and performance

Redis embedded server for Java integration testing

Understanding what your bits do when you're not looking.

Provide support for reading/writing data in Hive native file format in Cascading.