Ajax Availability Calendar – an Availability Calendar to show your day-to-day availability

The Ajax Availability Calendar is a php script designed to show availability of whatever you might need it for (eg. holiday cottage, hotel rooms etc.).
Free to use on your website or application and is currently being used (v.2) by hundreds, if not thousands, of websites around the world.
(Link: Ajax Availability Calendar – an Availability Calendar to show your day-to-day availability)