ScriptCalendar  

A javascript calendar only, no server side scripts. Runs on any Website. Features: The calendar includes many special features for displaying events - Events are stored in a seperate javascript file or in XML format - DHTML interactively adjusts display as users select new dates.

Price: $49

   Popup date picker  

Make it easy for your visitors to fill out the date/time field(s) of your form, by selecting this info from a popup calendar.

Price: Free

   DateRange Calendar  

DateRange Calendar enables you easily add a Date or Date-range choice object to your Web-page or Form. This calendar is entirely written with JavaScript, and no server scripts are need. This program is based on Dynamic HTML (DHTML) behaviors with Cascading Style Sheets (CSS).

Price: $5

   HiCalendar  

HiCalendar is a free, very easy to install / user friendly 'email a friend' script - it enables your users to email their friends links to your web pages. HiCalendar is cross platform compatible & supports multiple recipients. One installation supports page specific referrals site wide, with confirmation page & form validation.

Price: Free

   Dynamic Calendar  

This is a DHTML calendar/date selector. Can be used to enable selecting dates easier for the user. Works using layers, and should work on IE5+, NS6+, and Mozilla. Fully customisable, details on this below. Uses a user defined callback function to determine what to do with the selected date, passing the date/ month/ year to this function.

Price: Free

   PopUp Calendar with availability option  

PopUp Calendar with availability option. You can insert data in the data.js file, those dates will become coloured and not selectable. The author uses it for a rental system, in this way the already rented days will not be selected again. And that means a lot less mailing for a available date

Price: Free

   DHTML calendar widget  

DHTML Calendar that can work as a popup calendar or a flat calendar (flat means it's always displayed in page). It works with Mozilla, Netscape >= 6.0, all other Gecko-based browsers, Internet Explorer >= 5.0 for Windows, Opera 7, Safari and Konqueror.

Price: Free

   Date Range Selector  

This script builds out two sets of three pulldown menus that display todays date. You can set maximums for both dates selectable forward and backward. It prevents users from selecting a start date that is later than the end date. When the user changes the day, month or year it recalculates the appropriate number of days for that month in that year, and yes that includes leap years. It also has pop-up calendars for selecting dates.

Price: Free

   Date Picker (Calendar Control)  

The Date Picker object is the ideal calendar solution that allows you to create attractive calendar user controls quickly, easily and with no effort. The object provides you, as the developer, with the assurance and security that your user-inputs follows acceptable date formats and standards. The clickable dropdown calendar provides your users with an easy to use and intuitive control that prevents users from entering incorrect or invalid responses.

Price: $19

   Date Picker (Calendar Control)  

The Date Picker object is the ideal calendar solution for the web. You can create attractive calendar user controls quickly, easily and with no effort and be assured of deploying a quality product.

Price: $19