This script validates a date field to ensure it's in the format mm/dd/yyyy. It also intelligently checks that the date ranges are valid, so something like 02/30/2005 is caught.
Developer: JavaScript Kit Platform: linux, windows Date upd:2005-11-01 Hits2087 [Visit]

PickList creates two form selection boxes, and allows the user to easily transfer items from one box to another via "back" and "forth" buttons.
Developer: javascriptkit.com Platform: all Date upd:2004-05-21 Hits2064 [Visit]

This script will help you in common tasks like client side validation. The validation in the client side is important, it can save innecesary postbacks to validate our data, but we can't ensure that it always will be enabled the client side scripting, for
Developer: http Platform: Date upd:2005-05-27 Hits2052 [Download] [Visit]

Pungo spell is an easy, and more importantly, a FREE way to add a studly spell checker to just about ANY web application. <p> What does it require?<br> ---------------------<br> PHP 4.3.1 (http://www.php.net) or greater with Pspell support enabled. If your system doesn't have pspell/aspell
Developer: sourceforge.net Platform: multi - requires PHP Date upd:2003-08-06 Hits1960 [Download] [Visit]

Let the user pick three colors from a web-safe color table and match them. Useful when using a non-WISIWYG editor (like php-based web editors)
Developer: Triqui Platform: windows Date upd:2005-06-27 Hits1856 [Visit]

Suggest As You Type: creates the suggestion box for an input element. All the script data in one .js-file. The script will be bounded into the HEAD area. 3 parameters have to be configured.
Developer: Natalia Bazhenova Platform: linux, windows Date upd:2005-01-31 Hits1852 [Download] [Visit]

Validates a zip code based on both US zip code schemes: 12345-1234 or 12345
Developer: skyhawk133 Platform: Date upd:2006-02-05 Hits1842 [Visit]

The flooble Dynamic Calendar control is a DHTML script you can drop into an existing HTML form to allow visitors to point and click to a date, rather than typing it in using 3 separate form elements or forcing them to conform to a
Developer: flooble.com Platform: Date upd:2005-03-01 Hits1813 [Visit]

Free Form with Web-based validation generator.
Developer: NETAXIS IT SOLUTIONS (P) LTD. Platform: Date upd:2005-06-03 Hits1728 [Visit]

FormClick is a powerful JavaScript include file that makes validating text fields on your web pages easier than ever before! FormClick reduces the size of messy, page-long validation functions to one line and is compact so it loads and runs quickly. Its powerful validation
Developer: Primoris Software Platform: linux, windows, freebsd, osx, sun Date upd:2005-03-03 Hits1713 [Download] [Visit]

This script lets you move elements from one selection box to the other. It allows for multiple items to be moved at once, and all items are sorted alphabetically as they are moved.
Developer: javascriptkit.com Platform: all Date upd:2004-05-21 Hits1709 [Visit]

This useful script allows you to restrict the number of characters inside a form element (ie: textarea) while displaying a progress bar on the remaining characters beneath it. Cross browser functional.
Developer: Ron Jonk/ Dynamic Drive Platform: linux, windows Date upd:2004-10-28 Hits1664 [Visit]

The Checklist form control is the ideal solution to rescuing your screen real-estate from situations where an abundance of checkboxes are required. The Checklist form control: A bounded, scrollable interface that contains all the checkbox items you can devise.
Developer: Kerberos Internet Services CC Platform: linux, windows, freebsd, osx, sun Date upd:2005-05-09 Hits1576 [Visit]

tdAutoSelectBox is designed to fully replace the browser rendered select boxes and multi-select boxes with a Windows-like "combo box" or auto-complete text box. Apart from avoiding the various issues with the browser rendering of select boxes, tdAutoSelectBox adds the ability for a user to
Developer: Tetraktys Development Platform: linux, windows, freebsd, osx, sun Date upd:2006-09-20 Hits1543 [Visit]

The purpose of this script is to format and validate Telephone Numbers in a form field. The script strips all non-numeric characters and then validates that the remaining characters are sufficient to make up a valid phone number. If there remaining string is 10
Developer: Scott Clark Platform: linux, windows, freebsd, osx, sun Date upd:2007-03-05 Hits1538 [Download] [Visit]

Using cookies, this script remembers the value entered into your form's inputs by your visitor, and upon his/her return, preloads the textbox with that value.
Developer: http Platform: linux, windows Date upd:2005-06-17 Hits1515 [Visit]

Tigra Form Validator is professionally designed JavaScript component performing client-side form validation of any complexity. The script supports most of the data types used in online forms and it can be easily extended with any custom types. Offering reach feature set, and great browser
Developer: softcomplex.com Platform: All Date upd:2004-07-06 Hits1484 [Download] [Visit]

With this script you can add a palette color picker in your form and ask users to pick a color. In a text field under the palette you will have the hex code of the selected color. Useful when you need to ask your
Developer: Triqui Platform: linux, windows Date upd:2005-06-23 Hits1457 [Visit]

This is a enhanced way to provide the user to select his country. No more popups with unstyled country list, but a good-looking list with flags and colors. Fully customizable
Developer: Emanuele Feronato Platform: linux, windows Date upd:2006-07-24 Hits1421 [Visit]

When executed, this script (which could be applied to one or more textboxes on your web page) will focus (place text cursor into) on a specified textbox and cause its background to blink for 6 seconds. This effect could be signify the importance of
Developer: Ben Kanaev Platform: linux, windows, freebsd, osx, sun Date upd:2006-01-06 Hits1405 [Visit]

Synforce is a Javascript library that provides real-time syntax enforcement on data entered into text input boxes in HTML forms. Synforce is Open Source software, licensed under the GNU Lesser General Public License (the LGPL). The input text box is commonly used for gathering
Developer: Netspinner Ltd Platform: Date upd:2005-02-24 Hits1337 [Download] [Visit]

Tired of writing form validation scripts? Embed it all in your html form and let jValX do the rest! XHTML 1.0 STRICT compliant
Developer: jeffemminger.com Platform: all Date upd:2004-06-08 Hits1270 [Download] [Visit]

JavaScript-based HTML checker that allows you to check your code without saving it somewhere else.
Developer: geocities.com Platform: Date upd:2003-02-03 Hits1267 [Visit]

Tigra Form Validator is free JavaScript component performing client side form validation. With its rich feature set the script can be used with HTML forms of virtually any complexity. This component is a simple way to improve visitors' experience, robustness and resource efficiency of
Developer: Softcomplex Inc Platform: linux, windows, freebsd, osx, sun Date upd:2005-07-28 Hits1219 [Download] [Visit]

This is a very easy-to-setup form validation script. The main idea is: we heed to write NOTHING of JavaScript to handle whole form validation process. This script allows you to specify certain form elements as "required" or "non-required" and also what specific type they
Developer: Leumas Naypoka Platform: linux, windows, freebsd, osx, sun Date upd:2007-03-18 Hits1197 [Download] [Visit]