Business Intelligence (BI) Technologies can integrate, compare and analyze large amounts of data from many different sources using tools, software and standards for data integration (ETL), data warehouse, OLAP server (Online Analytical Processing), the MDX query language (MultiDimentional eXpression), data mining, dashboards and reporting. Get an overview of the Open Source Business Intelligence (OSBI) technologies like BIRT, JasperSoft, Pentaho and SpagoBI, who now have millions of users from several millions downloads and how you can integrate geospatial, mapping and thematic mapping using FOSS4G and FOSS4GeoBI.