A 100% Java based charting utility that outputs a variety of charts. This package is ideal for displaying charts via Servlets.

This chart implementation provides graphs of one or more functions as Swing components. The design was made to render large amounts of real-time data. [Open Source, BSD]

Plots various types of two-dimensional charts such as pie charts, line charts, bar charts, scatter plot charts, and combo charts; and supports magnification and resizing. [Open source, LGPL]

A Java library for rendering various kinds of charts and to include them into WWW and Swing applications. It can interpolate measured data and plot arbitrary mathematical functions. [OpenSource, GPL]

A class library for creating graphs and charts in Java. Backed by a full 3D engine, it can plot 2D or shaded 3D Pie Charts, Line Graphs, Area and Bar Graphs from any viewpoint to PNG, Flash, PDF or SVG. [Commercial w/ trial]

A chart library with a flexible building-block-architecture. It has an API for off-screen operations like printing or creating images and contains many 2D and 3D chart implementations. [Shareware]

Extensible object-oriented graphing framework using the Java2D API, supporting XML, and with additional simplified classes for common requirements. [Open Source, GPL]

Generates a variety of charts, including line, pie, and bar. [Commercial]

Java charting package that can be used as bean, servlet or applet. Requires almost no programming since charts are designed using RChart Visual Builder. [Commercial]

An easy way to configure and draw charts from XML. XmlCharts is written in Java and used jCharts. [Open source, LGPL]