Chartist.js ADDON Simple responsive charts
Chartist's goal is to provide a simple, lightweight and unintrusive library to responsively craft charts on your website. Chartist leverages the power of browsers today and say good bye to the idea of solving all problems ourselves.
Find tutorials, guidelines and more on their official documentation
Bipolar Line Chart
Advanced SMIL Animation
Overlap Bar (Mobile)
showArea and even the smoothing function can be overriden per series! And guess what? You can even override those series settings in the responsive configuration!
stackBars property in your configuration.
position option inside of the axis configuration.