Octopus Graphical Editor is a front end / GUI to help users to create XML files for Enhydra Octopus, which is a Java based ETL (Extraction, Transformation and Load) tool.
Rex (waRehouse EXplorer) is a java client that provides easy-to-use GUI for browsing multidimensional data sources that support XMLA protocol (Mondrian, Microsoft Analysis Services 2000 and 2005). Rex also includes MDX editor and MDX Builder Tool.
DataVision is a reporting tool similar to Crystal Reports. DV supports many data sources (JDBC, files) and many output formats (HTML, XML, PDF, LaTeX, Excel, delimited files, DocBook). DV includes a GUI editor. DV is embeddable. Reports are XML-based.
Build around JDBC and XML, this tool allows you to maintain visual repesentations of a database's layout, edit table's data, generate code to bind objects to tables, and export data in XML format to easely export data from one database to another.