OpenI – Open Source Business Intelligence for On-Demand Deployments
http://openi.org/

OpenI is an open source Business Intelligence application for on-demand or SaaS deployments. Based on J2EE, OpenI is an out-of-box solution to easily visualize data from OLAP and relational databases, where users intuitively build and publish interactive reports, analyses, and dashboards. This has been added to Business Intelligence Resources Subject Tracer™ Information Blog.