Java bindings and pure Java implementations of LZ4 and XXHash

Apache Hadoop Common

Spark SQL is Apache Spark's module for working with structured data based on DataFrames.

Kafka client library for building producers and consumers that interact with Apache Kafka clusters for high-throughput distributed messaging.

Core libraries for Apache Spark, a unified analytics engine for large-scale data processing.

Apache Hadoop HDFS

Netty module for encoding and decoding binary and text-based messages with reusable codec components.

Play

Valkey and Redis Java client. Complete Real-Time Data Platform.

cas-server-core-util-api

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.