RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 15 years old) and has a wealth of features making it an ideal choice to show charts on your website.

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Get the latest version of RGraph (version 6.17) from the download page. There's also older versions available, minified files and links to cdnjs.com hosted libraries.

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RGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£99) commercial license available.

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RGraph version 6.05 is now available!

In this release, both the SVG and canvas versions of the Semi-circular Progress meter have had some attention and they now both support multiple values and scales. The canvas Line chart angled labels HOWTO has now been added as a core feature (ie it's now part of the Line chart) so it's much easier to implement on your own charts.

You can download the software here:

https://www.rgraph.net/download.html