.net Powerful JavaScript charts
RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 15 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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Get the latest version of RGraph (version 6.18, 1st June 2024) from the download page. You can read the changelog here. There's also older versions available, minified files and links to hosted libraries.

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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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Miscellaneous documentation

Miscellaneous information

Read the miscellaneous information
Various bits of information that don't fit elsewhere. This page is well worth reading just in case any of the titbits apply to you or your situation. There's an index list that you can scan to make it quicker.

Margin sizing tool

Try the margin sizing tool
A simple margin sizing tool that may help you with the size of your chart's margins. Simply drag the gray part of the tool around (which represents the main part of your chart) and the sizes are updated for you automatically.

API Documentation

Look through the API documentation
If you want to delve into the code of the RGraph libraries then the api documentation is a good place to start. It's quite extensive (there's a lot there) so you may find that simply delving into it and getting the information that you want may be a good way of getting through this page.