A while back I created a small web application which has the sole purpose of serving charts in the form of an image when requested.
When deployed, it can be requested via a url and different querystring parameters passed to it to provide chart type and values.
I have found it especially useful when embedding dynamic charts into HTML Emails which then render when viewed in Outlook.
I intend to update the readme file with examples of usage and extend the library with more chart types and styling options.
Until then, here is the original version of the Chart Handler on GitHub,