CanvasJS is an HTML5 & JavaScript based Charting Library that runs on all modern devices including iPhone, Android, Desktops, etc. Developed by fenopix
License: Free Personal
Raphaël is a lightweight library focused on vector graphics, making it ideal for custom visualizations but limited in chart types. CanvasJS, on the other hand, offers a rich set of chart types with excellent performance and export options, making it more suitable for data-driven applications.