The Java Chart Constuction Kit (JCCKit) is a small (< 100Kb) Java library and a very flexible framework for creating scientific charts and plots.
...dedicated into Java open source projects
Enterprise-class Business Intelligence (BI) - including reporting, analysis, dashboards, data mining and workflow. Inlcudes Eclipse BIRT, JasperReports, Mondrian, JPivot, scheduling, web services, busienss rules. Released under the Pentaho Public License
OpenReports is a flexible open source web reporting solution that allows users to generate dynamic reports in a browser. OpenReports uses JasperReports, an excellent full featured open source reporting engine, and was developed using leading open source components including WebWork, Velocity, Quartz, and Hibernate.
BIRT is an Eclipse-based open source reporting system for web applications, especially those based on Java and J2EE. BIRT has two main components: a report designer based on Eclipse, and a runtime component that you can add to your app server. BIRT also offers a charting engine that lets you add charts to your own application.
Cewolf can be used inside a Servlet/JSP based web application to embed complex graphical charts of all kinds (e.g. line, pie, bar chart, plots, etc.) into a web page. Therefore it provides a full featured tag library to define all properties of the chart (colors, strokes, legend, etc.). Thus the JSP which embedds the chart is not polluted with any java code. Everything is described with XML conform tags.
OpenChart is an open source Java library and toolkit for creating different kinds of charts and embedding them into web applications or Swing applications.
JGraphT is a free Java graph library that provides mathematical graph-theory objects and algorithms. JGraphT supports various types of graphs including:
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