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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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New HTML datagrid
In the April 2025 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 6.22, 24th June 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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What's going on with RGraph at the moment?

Written by Richard Heyes, RGraph author, on 18th June 2025

Here's an update for about what's currently happening with RGraph at the moment. A new release is nearing finalisation and it has some interesting updates in it to the datagrid such as searching (both basic and regular expression) and paging (client and server based), minor updates to the ModalDialog that allow you to rotate the dialog when showing or hiding it, a couple of new datetime functions that mimic PHP functions and make handling dates and times far easier, layout updates to the various API documentation pages, the ability to add your event listener functions inline within the configuration instead of using the on() function and then there's my favourite. This I might hold back for version 6.23 - but text appearance on canvas has never been very good in my opinion. Certainly not as good as SVG. But now I've happened across a technique that makes the text appearance much better. Here's an example of a regular Bar chart that hasn't been tweaked followed by a version of the same chart but having been tweaked to improve the text appearance:

[No canvas support] [No canvas support]

And here's a close-up of the "Gazza" label in the original (current) way that RGraph renders text and the new style:

The updated version of the text The updated version of the text

Certainly an improvement I think that you'll agree! It still needs more work - especially in terms of working out coordinates for dynamic features. But the much improved appearance makes this a feature worth holding your breath for (but not too long - you do need to keep breathing!).