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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 18 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 7.11
Version 7.11 (released in March 2026) is the latest version of RGraph and contains just a few updates to the code which you can see on the changelog page. There's a new dumbbell variation for the Bar and Horizontal bar charts (both SVG and canvas) and the front page layout of the website has been tweaked.

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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 7.11, 21st March 2026) 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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HOWTO: Use CSS 3D transformations

Example

Here's an example of the code below that shows a 3D Line chart

[No canvas support]

Introduction

WebKit (which is used by Chrome, Safari, Edge, Opera and possibly others) and Firefox all support CSS 3D transformations. If you're tasked with supporting these browsers then by using 3D transformations you can add 3D effects to your charts. The effect is specified by adding a CSS property which is shown below. Because the effect changes the position of the canvas coordinates in relation to the page you must also tell RGraph to position the tooltips at the pageX/pageY coordinates which you do with the tooltipsCoordsPage option - as shown below. 

<canvas id="cvs"
       width="600"
       height="250"
       style="-webkit-transform: rotate3d(0, 1, 0, 45deg) rotate3d(0, 0, 1, 5deg) rotate3d(1, 0, 0, -15deg);
              -moz-transform: rotate3d(0, 1, 0, 45deg) rotate3d(0, 0, 1, 5deg) rotate3d(1, 0, 0, -15deg);
              -o-transform: rotate3d(0, 1, 0, 45deg) rotate3d(0, 0, 1, 5deg) rotate3d(1, 0, 0, -15deg);
              -ms-transform: rotate3d(0, 1, 0, 45deg) rotate3d(0, 0, 1, 5deg) rotate3d(1, 0, 0, -15deg);
              transform: rotate3d(0, 1, 0, 45deg) rotate3d(0, 0, 1, 5deg) rotate3d(1, 0, 0, -15deg);
              box-shadow: 3px 3px 5px gray">[No canvas support]</canvas>
<script>
    new RGraph.Line({
        id: 'cvs',
        data: [4,6,8,4,1,3,4,2,8],
        options: {
            xaxisLabels: ['John', 'Lou','Kevin','Barry','John','Alex','Nick','Fred','June'],
            tooltips: '%{property:xaxisLabels[%{index}]}',
            tooltipsCss: {
                fontSize: '20pt'
            },
            tooltipsPositionStatic: false,
            tooltipsCoordsPage: true,
            marginInner: 10,
            tickmarksStyle: 'filledarrow',
            tickmarksSize: 15,
            backgroundGridVlines: false,
            backgroundGridBorder: false,
            xaxis: false,
            yaxis: false,
            textSize: 16,
            spline: true
        }
    }).draw();
</script>

Known bugs

See also