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.net Powerful JavaScript charts
About
RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 17 years old) and has a wealth of features making it an ideal choice to use for showing charts on your website.

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Version 7.01 released
Version 7.01 (released in October 2025) is the latest version of RGraph and now includes a new tree structure object. The accompanying Treemenu object can then turn the object into a fully dynamic tree menu. You can read the API documentation for the tree on the main API documentation page and see an example of the Treemenu feature by following this link...

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New HTML datagrid
In the April 2025 (v6.21) release a new datagrid object was added. This makes it easy to add static or dynamic data tables to your pages. It can be used whether you use the canvas or SVG libraries or entirely standalone.

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Download
Get the latest version of RGraph (version 7.01, 8th October 2025) from the download page. You can read the changelog here. There's also older versions available, minified files and links to cdnjs.com hosted libraries.

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License
RGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£129) commercial license available.

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Case-insensitivity coming to the RGraph configuration properties

Written by Richard Heyes, RGraph author, on 31st December 2023

For a long time now the RGraph configuration properties have been case-sensitive - meaning that you had to use exactly the same letter-case as what was listed in the documentation. As of the next version though - version 6.16 - you'll be able to use the property names in any letter-case that you choose. Here's an example of a Bar chart that uses the traditional style of configuration:

<script>
    new RGraph.Bar({
        id: 'cvs',
        data: [4,8,6,3,5,4,2],
        options: {
            colors: ['red','blue','green','mauve','yellow','pink','brown'],
            colorsSequential: true,
            backgroundGridVlines: false,
            backgroundGridBorder: false,
            xaxis: false,
            yaxis: false
        }
    }).draw();
</script>

And here's the same chart configuration using various different letter-cases (all of them are valid because letter-case is now disregarded entirely):

<script>
    new RGraph.Bar({
        id: 'cvs',
        data: [4,8,6,3,5,4,2],
        options: {
            colors: ['red','blue','green','mauve','yellow','pink','brown'],
            colorsSequential: true,
            BAckgrounDGridvLInes: false,
            BACKGROUNDGRIDBORDER: false,
            XaxiS: false,
            yaxis: false
        }
    }).draw();
</script>

This change will be a part of the next release.