Canvas-based JavaScript Knob/Dial Component – pure-knob
A pure JavaScript knob component to render canvas-based, highly customizable knobs/dials/gauges on the web app.
JavaScript & CSS knob
Touch-enabled Knob Input With JavaScript – knob-input
knob-input is a vanilla JavaScript library to render accessible, touch-enabled, highly customizable knob/dial controls just like the range input.
Touch-enabled Knob Control In Pure JavaScript – Jim Knopf
Jim Knopf is a pure JavaScript library to generating accessible, touch-friendly, SVG based knob/dial controls from normal range inputs.