JavaScript Calendar

the most popular full-sized.

Draggable Events

My Event 1
My Event 2
My Event 3
My Event 4
My Event 5

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).

FullCalendar documentation