developed by Hitachi Vantara. It serves as a foundational platform for organizations globally to extract, transform, and load (ETL) data, alongside building analytical dashboards and reports without high upfront software costs. Known natively to veterans as Kettle , its data integration module remains one of the most widely adopted data orchestration engines in the IT ecosystem. Core Architecture and Components
For Big Data, write raw Spark code and call Pentaho for the "small" data parts. pentaho community edition