Thanks to reply
Actually I am looking for
"Which is a most flexible & customizable open source & Licensed BI Reporting tool in terms of creating new features & functionality for reports using SDK development."
For instance:
BIRT/ Actuate, SpagoBI, Pentaho, RapidMiner, Jaspersoft, KNIME, Pyramid Analytics, Yellowfin, Chartio, Panorama Necto, MicroStrategy, ZOHO, Arcplan, Tibco SpotFire, Info