Data Visualization is a free cross data base and cross platform reporting tool. Its target is very simple: whatever operating system you use, whatever data base you keep data in and whatever report you want to have, you can create it for free in few a minutes using simple GUI.
The interesting thing is Batch mode: you can create layout of the report once and use it for hundreds of documents. The application has a lot of export possibilities: PDF, XLS, CSV, HTML, XML and even Matlab. Supports: Oracle, MySQL, PostgreSQL, Firebird, MS SQL Server, IBM DB2, Interbase, SQLite