Webcarrier is a 100% Java reporting tools for WEB based sophisticated reports, graphs, html, crosstabs, sub-reports, functions, drill-down, and much more. Webcarrier can access data from JDBC, ODBC or your own data source with an API. The WYSIWYG designer
Generic Report Writer is a free, gpl, Java, report writer. Source code included. Its interface is menu driven not drag-and-drop. It can also be used as a servlet or batch job to generate previously designed reports....
JReport from Jinfonet: Java reporting solutions that integrate seamlessly into your enterprise architecture. JReports easy-to-use GUI report designer and robust J2EE-compliant report deployment server offer advanced information delivery on any platform...