DERI Pipes: Open Source, Extendable, Embeddable Web Data Mashups Inspired by Yahoo! Pipes , DERI Pipes is an engine and graphical environment for general Web Data transformations and Mashup. Supports RDF, XML, Microformats, JSON and binary streams. Use it as a "Web Pipe" or embedded in your applications Works as a mashup command Line tool Supports SPARQL, XQUERY, Several scripting languages. Extend it as needed