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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 7.10 released
Version 7.10 (released in January 2026) is the latest version of RGraph and contains various updates to the code which you can see on the changelog page. There's also a big tidy up in terms of comments and a significant change to the way that the internal code is referenced which should lead to a performance improvement in effects and animations.

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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 7.10, 18th January 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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Example charts in the documentation would be useful


Posted by Steve at 01:28 on Wednesday 14th August 2024 [link]
It would be really helpful if how-to documents e.g. https://www.rgraph.net/canvas/howto-line-dual-color.html had an actual example of the graph. Without actually implementing it to try, I can't be 100% certain what a dual line colour graph looks like.

Thanks

Posted by Richard at 12:08 on Wednesday 14th August 2024 [link]
I originally had examples on most of the pages on the website but removed them because I couldn't figure out why the site was performing so badly in search.

But I think I might have resolved that (perhaps... we'll have to wait and see!) so I'll start adding the example charts back on the various pages.

In the mean-time - here are some demos that you can find in the download archive...

http://www.rgraph.net/download.html#stable

...that show dual color charts:

demos/line-dual-color-range.html
demos/line-dual-color-scrolling.html
demos/line-dual-color-threshold.html
demos/line-dual-color.html

demos/line-clipping1.html
demos/line-clipping4.html
demos/line-clipping5.html

demos/line-trendline-dual-color.html
demos/scatter-trendline-dual-color-explode.html

This demo on the blog is also (sort of) dual-color:

https://www.rgraph.net/blog/2023/a-new-example-of-a-filled-line-chart-with-alternating-colors.html

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