Best Freeware Software

Our gallery provides a variety of charts that are optimized to address your data visualization needs. These charts are based on pure HTML5/SVG technology (adopting VML for old IE versions), so no plugins are required. Adding these charts to your page can be done in a few simple steps.

Note that charts that were contributed by the community and comply with the DataTable protocol can be found in "Additional Charts" tab.

The official home page of the JFreeChart project.

JFreeChart is a free 100% Java chart library that makes it easy for developers to display professional quality charts in their applications. JFreeChart's extensive feature set includes:
a consistent and well-documented API, supporting a wide range of chart types;
a flexible design that is easy to extend, and targets both server-side and client-side applications;
support for many output types, including Swing components, image files (including PNG and JPEG), and vector graphics file formats (including PDF, EPS and SVG);

JFreeChart is "open source" or, more specifically, free software.

It is distributed under the terms of the GNU Lesser General Public Licence (LGPL), which permits use in proprietary applications.