Fullcalendar

FullCalendar is a jQuery plugin that provides a full-sized, drag & drop calendar like the one below. It uses AJAX to fetch events on-the-fly for each month and is easily configured to use your own feed format (an extension is provided for Google Calendar).

It is visually customizable and exposes hooks for user-triggered events (like clicking or dragging an event). It is open source and dual licensed under the MIT or GPL Version 2 licenses.


It is good for many developer that they want to develop their application with calendar. It has obj and tool that is easy to use.
You can visit more information in url: http://arshaw.com/fullcalendar