jquery

http://justgage.com/ – gage http://www.rgraph.net/examples/meters-and-gauge-charts.html – gage http://www.jqplot.com/ http://www.jqplot.com/deploy/dist/examples/meterGauge.html – gage https://github.com/rendro/easy-pie-chart – gage http://benpickles.github.io/peity/ http://jpgraph.net/ http://elycharts.com/examples http://www.flotcharts.org/ http://www.highcharts.com http://anthonyterrien.com/knob/ Refrence – list of free https://cube3x.com/37-free-jquery-or-javascript-chart-libraries/