Google chart tools are powerful, simple to use, and free. For more info see
the official site.
Usage
Google Charts's is hosted directly from their CDN, so please include the following script to add it into your project.
<script src="//www.google.com/jsapi"></script>
Initialization
Google Charts's assets are required to be added into the page via the
usage codesnippet above, along with our other global bundles.
Add a blank
divelement with a specified
idand initialize it with JS. You can also specify the height with inline CSS or one of our utility classes to control chart height.