Free and Open Source...
but worth more!
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jqPlot is conceived, developed and maintained by Chris Leonello.
There are many sources for further information and help with jqPlot. For general discussion, questions, and issues about, visit the Google group.
To see the latest changes and source, visit the project page on bitbucket
To file a bug, issue, or feature request, visit the issue tracker on bitbucket
jqPlot is an open source project dual licensed under the MIT and GPL version 2 licenses. You are free to choose the license that best suits your project.