Six common Java open-source report production tools

1. jasperreports is a Java-based open-source report tool that can be used to create reports in the Java environment like other ide report tools. Jasperreports supports PDF, HTML, xls, CSV, and XML file output formats. Jasperreports is currently the most common reporting tool for Java developers.

2. pentaho is a workflow-oriented Bi suite that focuses on solutions rather than tool components. It integrates multiple open-source projects to compete with commercial bi. It tends to be a bi solution combined with business processes, focusing on applications of large and medium-sized enterprises. It allows business analysts or developers to create reports, dashboards, analysis models, business rules, and Bi processes.
Functions and features
Workflow Engine: Shark and JaWE
Database: Firebird RDBMS
Integrated management and development environment: Eclipse
Report tool: Eclipse Birt
ETL Tool: enhydra/kettle
OLAP Server: Mondrian
OLAP Presentation: July
Data Mining Component: WEKA
Application Server and Portal Server: JBoss
Single Sign-on service and LDAP authentication: josso
Custom Script support: Mozilla rhino Javascript script Processor

3. openreports is a Web-based report solution that allows you to view dynamically created reports in PDF, HTML, or XLS format in a browser. Openreports is developed in Java and jasperreports is used as the report generation engine.

4. jfreereport (now renamed pentaho reporting) is a Java class library used to generate reports. It provides a flexible printing function for Java applications and supports output to printers and PDF, Excel, HTML and XHTML, plaintext, XML and CSV files.

5. jxls is an Excel report generation tool based on Jakarta poi API. It can generate exquisite EXCEL reports. It uses tags, similar to JSP tags, to write an Excel template and then generate reports, which is flexible and simple!

6. Birt is an eclipse-based open-source report system. It is mainly used in Java and J2EE-based Web applications. Birt consists of two parts: an eclipse-based report design and a runtime component that can be added to your application service. Birt also provides a graphical report generation engine.