Impress your clients with professional reports using these excellent reporting tools.
1. iReport
iReport is the free, open source report designer for JasperReports, available for all major operating systems under the GNU General Public License. Use iReport to create very complex layouts containing charts, images, subreports, crosstabs and much more. Access your data through JDBC, TableModels, JavaBeans, XML, Hibernate, CSV, and custom sources. Then publish your reports as PDF, RTF, XML, XLS, CSV, HTML, XHTML, text, DOCX, or OpenOffice.
2. JavaEye Reporting Tool – JERT
JavaEye Reporting Tool (JERT) is an open-source, web-based database reporting tool. It allows you to create flexible reports without any programming (though you ll need SQL knowledge). It s a lightweight reporting environment, the report can be created to quickly share information via web.
3. Rilb
RLIB is an advanced reporting engine that generates professional reports in PDF, HTML, CSV, and text formats from a simple XML definition language.
4. The Wabit – Open Source Reporting Tool
Recognizing that end-users struggling with overly-complex BI Tools is the number 1 reason why Business Intelligence projects fail to deliver the desired ROI, the Wabit was designed to conquer this primary issue.
5. DataVision
DataVision is an Open Source reporting tool similar to Crystal Reports. Reports can be designed using a drag-and-drop GUI. They may be run, viewed, and printed from the application or exported as HTML, XML, PDF, Excel, LaTeX2e, DocBook, or tab- or comma-delimited text files. The output files produced by LaTeX2e and DocBook can in turn be used to produce PDF, text, HTML, PostScript, and more.
6. ART – A lightweight reporting solution
ART is a lightweight, multiplatform web based query tool and reporting environment. SQL queries can be published in a few minutes. It supports tabular, crosstab, charts, scheduling, email alerts. Results are exportable to spreadsheet, pdf or can be embedded in a portal-like page to create a simple but effective Business Intelligence solution.
7. Magallanes
The open source project JMagallanes is an end user application for Olap and Dynamic Reports written in Java/J2EE. It combines static reports (based on JasperReports), a Swing pivot table for OLAP analysis, and charts (based on JFreeChart). It reads from many data sources as SQL, Excel, XML, and others, and produces many outputs as PDF, XML, and application specific files for later off-line visualization of reports.
8. FreeReportBuilder
FreeReportBuilder is a Java Report tool that can work with any database that has a JDBC driver.
9. OpenReports
OpenReports is a powerful, flexible, and easy to use open source web reporting solution that provides browser based, parameter driven, dynamic report generation and flexible report scheduling capabilities. OpenReports supports a variety of open source reporting engines, including JasperReports, JFreeReport, JXLS, and Eclipse BIRT, to provide support for a wide range of reporting requirements and capabilities. 
10. OpenRPT
As part of all three xTuple ERP Editions, built with the PostgreSQL database and the Qt GUI client framework, we built our own SQL report writer from scratch. Like the ERP, it runs equally well on Windows, Linux, and Mac OS X. We call it OpenRPT.
11. Pentaho
Pentaho Reporting is a collection of open source projects primarily focused on the creation, generation and distribution of rich and sophisticated report content from all sources of information.
12. BIRT Project
BIRT is an open source Eclipse-based reporting system that integrates with your Java/J2EE application to produce compelling reports.
