CircletPreloader is a lightweight jQuery plugin to create circular preloader animation.
Radial Indicator is a simple and lightweight circular indicator plugin. Runs with native js and do support jQuery and angular.js
ClassyCountdown is a jQuery plugin that allows you to easily create clean circular countdowns. It is fully customizable and includes 12 themes, which can be modified and it uses HTML5 canvas for rendering the circles.
Circular Slider is a jQuery plugin for range values and image carousel. It supports half/full circles
Circletype.js is a tiny jQuery plugin that lets you set type on a circle
carouFredSel is a jQuery plugin that converts any kind of HTML element into an infinite and circular carousel. It can scroll one or more items at the same time both horizontally or vertically.
Every item can be displayed automatically and/or by user interaction (pressing buttons or keys on the keyboard).