Object Refinery Limited has released JFreeChart 1.0.4. "This release features a new XYBlockRenderer class, URLs for pie chart labels in HTML image maps, a new dataset implementation for open-high-low-close charts, support for gradient paint in ClusteredXYBarRenderer, StackedXYBarRenderer and legend graphics, a new anchor attribute for XYImageAnnotation, improvements to the experimental SWT support, plus a number of additions to the API for usability, and many bug fixes" JFreeChart is free software under the terms of the GNU Lesser General Public Licence (LGPL), and requires Java version 1.3.1 or later.