XChart is a light-weight and convenient library for plotting data. Its focus is on simplicity and ease-of-use, requiring only two lines of code to save or display a basic default chart.
Usage is very simple: Create a Chart instance, add a series of data to it, and either save it or display it.
Now go ahead and study some examples, download the thing and provide feedback.
Simplicity prioritized over everything else so you can quickly make a chart and move on.
Use in your Swing, Java EE or Java SE applications.
Apache 2.0 open source license means you can use it worry-free in your personal and commercial projects.