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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Version 6.06 of RGraph is now available

Written by Richard Heyes, RGraph author, on 22nd January 2022

RGraph version 6.06 is now available! In the first release of 2022 the main change is that there's now a set of functions that are dedicated to making importing data from the query string (the URL) easier. These new functions are called:

  • RGraph.GET.number
  • RGraph.GET.string
  • RGraph.GET.json
  • RGraph.GET.array
And for SVG:
  • RGraph.SVG.GET.number
  • RGraph.SVG.GET.string
  • RGraph.SVG.GET.json
  • RGraph.SVG.GET.array
The RGraph.GET.json function is most useful in my opinion as it allows you to import an entire javascript object which can contain multiple things - for example both data and labels. You should be aware, though, that if not properly encoded json can interfere with seo efforts. You can read more about the query string functions on this page. There are a few other changes that you can read about in the release notes.

You can download the software from the download page: