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Java Charting library - Opinions

 
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Anybody have any suggestions for a reasonably priced charting library for generating advanced charts and graphs (Excel like).
 
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JFreeChart is reasonably priced (free, subject to the GNU LGPL):
http://www.object-refinery.com/jfreechart/index.html
There are plenty of demos in the JFreeChart download to get you started, plus a free installation guide (explains how to run the demos etc). If you want to learn more, we sell a developer guide for JFreeChart as a way of funding the project.
Regards,
Dave Gilbert
JFreeChart Project Leader
 
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Just in case you think David's just plugging his pet project, I'd like to endorse JFreeChart as well.
I had a good look round for a Java charting library a little while ago and JFreeChart was way better than anything else I could find for free or a reasonable (or in some cases not so reasonable) price.
Linda
 
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See RChart:
http://www.java4less.com
and click on "RChart".
It has the following advantages:
- very reasonable price (starting at $24)
- Works as applet, servlet or bean.
- It works with java 1.1 also.
- Supports more than 18 types of charts and has interactive features (zoom,tips,scroll,html links)
- Includes RChart Visual Builder (almost no programming)
- Can read data from database.
- source code is available can be freely modified for commercial applications also.
 
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