Scala

DataStax Spark Cassandra Connectordatastax/spark-cassandra-connector

A connector that enables Apache Spark to read from and write to Apache Cassandra databases for distributed data processing.

monixmonix/monix

A high-performance Scala library for composing asynchronous, event-based programs with strong functional programming influences.

skunktypelevel/skunk

A purely functional, type-safe data access library for Scala applications using PostgreSQL.

Apache Pekkoapache/incubator-pekko

Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala with the Actor Model.

spark-testing-baseholdenk/spark-testing-base

Base classes for writing Apache Spark tests in Scala and Python, simplifying test setup and teardown.

MLeapcombust/mleap

MLeap is a portable execution engine for deploying machine learning pipelines from Spark and Scikit-learn without their runtime dependencies.