RGraph is a Javascript charts and graph library. By using the HTML5 canvas tag, these javascript charts are created in the web browser, meaning quicker charts and less web server load. RGraph is an easy way of speeding up your website.
RGraph uses the HTML5 canvas tag to produce a wide variety of javascript charts and graph types. It is covered by the RGraph License.
RGraph supports over twenty different types of javascript charts, including: Bar charts, Bipolar charts, Donut charts, Funnel charts, Gantt charts, Horizontal Bar charts, Horizontal Progress bars, LED grids, Line charts, Meter charts, Odometer charts, Pie charts, Radar charts, Radial Scatter charts, Rose charts, Scatter charts, Thermometer charts, Vertical Progress bars and Waterfall charts. In addition there are variants available on many charts.
The latest downloads are below. These are not time limited demos or a branded trial - they're full versions.
RGraph is covered by the RGraph license. A summary is that for commercial/business use there is a small one-time licensing fee of 79 GBP (roughly 125 USD). For non-commercial purposes it's freely usable. There are some licensing FAQs that should help to answer any questions you might have. If you need one, you can get an invoice here.
If you have any questions about RGraph licensing, you can send your question to: licensing@rgraph.net. If your question is of a support nature, please use the support forum.