Download by Aaron Newton | http://www.clientcide.com/js
A huge and on demand modular library containing more than 60 plugins, utilities and snippets maintained by the man behind the mootorial
Download by Aeron Glemann | http://www.electricprism.com/aeron/calendar/
Calendar is a Javascript class that adds accessible and unobtrusive date-pickers to your form elements
Download by Daniel Stout | http://www.stoutlabs.com/site/post/mootools_class_form_hilighter/
This class will animate a highlight effect (on focus) of text input and textarea fields in any form
Download by DM Solutions Group Inc | http://jxlib.org/
Jx is a javascript library for creating graphical user interaces based : combobox, dropdown select, trees ...
Download by Ankur Kothari | http://lipidity.com/fancy-form
FancyForm is a powerful checkbox replacement script used to provide the ultimate flexibility in changing the appearance and function of HTML form elements. It's accessible, easy to use and degrades gracefully on all older, non-supporting browsers.
Download by Andrew Plummer | http://www.andrewplummer.com/code/hottext/
HotText is a Javascript plugin modeled off the "hot text" elements found in Adobe applications like After Effects, and designed to make HTML forms more intuitive and usable. Applying HotText to a form input will instantly allow you to click on it and "slide" the value either left or right.
Download by nn2luv | http://nn2luv.com/sugar/n2select/
n2Select is a select object replacement class that creates stylish selects via CSS