Free jQuery ring chart Plugins
All the Free jQuery Plugins about 'ring chart' are listed here.
Circliful is a jQuery chart plugin that animates the presentation of your information with good looking circular design, a little similar to the ring chart.
DonutWidget is a simple plain jQuery plugin to present your data (e.g. progress percentage) in a doughnut/ring chart that is fully configurable via HTML data attributes.
circleChart is a jQuery plugin which helps you draw animated, highly customizable, circle-style ring charts on the HTML5 canvas element.
imgProgress is a tiny yet customizable jQuery plugin for drawing SVG based circular progress bar / right chart with custom images to present the percentage values.