Apache Spark - A unified analytics engine for large-scale data processing

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

The Community Maintained High Velocity Web Framework For Java and Scala.

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

Greyhound - Rich Kafka client library