LicenseRGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£99) commercial license available.
DownloadGet the latest version of RGraph (version 6.16) from the download page. There's also older versions available, minified files and links to cdnjs.com hosted libraries.
Videos available on the RGraph YouTube channel
Since late 2023 RGraph has had a YouTube channel! You'll find demo walk-throughs and feature information there. Here's a list of all the videos on there or you can go to the YouTube channel.
Watch a walk-through of this latest dynamic, scrolling Line chart demo. New data is added on the right-hand-side and old data is removed from the left-hand-side.
An explanation of the responsive configuration option that can be used in your chart configuration.
An explanation of how to add "Copy to clipboard" buttons to your example code
Walk-through of a customised Funnel chart demo
Walk-through of a Horizontal Bar chart smoothed vertical line demo
Walk-through of a dark themed Line chart demo
Walk-through of the 100% Bar chart demo
How to configure a basic Bar chart