DataStax Spark Cassandra Connector
Deep Learning for Java, Scala & Clojure on Hadoop & Spark With GPUs - From Skymind
A cohesive & pragmatic framework of FP centric Scala libraries
REST job server for Apache Spark
ETL Library for Machine Learning - data pipelines, data munging and wrangling
SANSA RDF Library
Apache Spark Data Source for ROOT File Format
Google BigQuery support for Spark, Structured Streaming, SQL, and DataFrames with easy Databricks integration.
A Scala wrapper for Deeplearning4j, inspired by Keras. Scala + DL + Spark + GPUs
MLeap: Deploy Spark Pipelines to Production
Generate Scala case class based on Spark DataFrame schema
A Scala feature transformation library for data science and machine learning
Scala-Spark port of https://github.com/bmabey/pyLDAvis for Apache Spark LDA Topic Modelling Visualisation
A general Inference API based on two of the most popular Big Data processing engines: Apache Spark and Apache Flink
Sparkling Water provides H2O functionality inside Spark cluster
Micro Spark Rest API
A RPC framework leveraging Spark RPC module
Scala client for Amazon Kinesis. Also provides write to Kinesis capability for Apache Spark or Spark Streaming.
Expressive types for Spark.