Bowstreet, a leading provider of application development tools for portals, announces the availability of Bowstreet Portlet Factory version 5.9. This release features the Siebel Extension, allowing users to rapidly create Siebel portlets, and an SAP Builder that allows users to access SAP Business Warehouse data.The Portlet Factory solves the challenges of portlet development with tools and technology for rapidly creating, customizing, maintaining, and deploying portlets. "Bowstreet's recently announced Enterprise Portal Solutions currently support SAP, and it is our plan to extend the solution set to provide data access to multiple back-ends. With this new release we've added SAP Business Warehouse and Siebel to our list of supported integrations, which includes Lotus Domino, SAP R/3, and PeopleSoft," said Rose O'Donnell, vice president of engineering, Bowstreet. "With Bowstreet Portlet Factory, our customers can not only tap into each of these back-end systems, they can easily combine functionality and data from these systems into a single portlet." Portlet Factory 5.9 also supports Eclipse 3.0, IBM Portal Toolkit, Apache Axis, and JBOSS 4.0, and is available immediately.