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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 7.20
Version 7.20 (released in June 2026) is the latest version of RGraph and the major change in this version is an update to the default values of properties making for better looking charts without having to set any properties. Read more about this and other changes in the changelog.

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Download
Get the latest version of RGraph (version 7.20, 9th June 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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Latest forum posts
These are the latest support forum posts that have been posted or updated.


16th June, Rachel
I have a question about the 3D Bar chart
12th June, Marco
Should I use SVG or canvas for the charts on my website?
9th June, Richard
New version of RGraph: version 7.20
3rd June, Patrick
Question about installing RGraph
1st June, Ouja
How do I add a click event to a bar in my Bar chart?


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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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