Flotr2, flotr2 is a framework independent library for drawing html5 free ts chat charts and graphs.
It relies on D3 visualization library and some extensions require jQuery and jQuery.
I work on a complicated graph for a website before, we used highchart as the solution, during that time, there isn't a lot of plugins to choose from, but now, we can easily find many very capable charting libraries.
Jsxgraph is a cross-browser library for interactive geometry, function plotting, charting, and data visualization in a web browser.
It is a minimal tool that even works in IE too.
It D3 visualization library dependant and requires some extensions like jQuery and jQuery.