One of the best features in Pentaho Data Integration is the possibility to create your own transformation step also known as a “Pentaho Data Integration Plug-In”.

For example: I want to collect twitter messages containing specific keywords so I can analyze them afterwards. Pentaho itself does not have a standard plugin for this data input. So I created a plugin called “Twitter Search” which retrieves all messages containing their specified searchterms. Building a database containing all messages since the start of this project. More »