Apache Spark is an open source application created in 2012 by Matei Zaharia.

Apache Spark is a unified analytics engine for large-scale data processing. It provides high-level APIs in Java, Scala, Python, and R, and an optimized engine that supports general execution graphs. It also supports a rich set of higher-level tools including Spark SQL for SQL and structured data processing, pandas API on Spark for pandas workloads, MLlib for machine learning, GraphX for graph processing, and Structured Streaming for incremental computation and stream processing.

• Apache Spark Wikipedia page
• Apache Spark docs
• Apache Spark first developed in University of California, Berkeley
• Apache Spark is written in Scala
• There is a central package repository for Apache Spark