Custom jQuery UI datepicker with nice and clean style.
jQuery FileStyle is a jQuery plugin to create file inputs with custom styles. You can use this plugin to personalize your input file and let the beautiful.
jQuery cForm replaces your standard, ugly form-elements with nice and clean non-form html code which can be styled via CSS. The original elements are retained, so you won't loose any form-element related functionality.
ArtDesignUI is a jQuery library for style control web elements (button, input, textarea, radio, checkbox, tab, layout, icons) that include 9 jQuery plugins.
Fancyform is a jQuery plugin that offers a nice and elegant way to transform your HTML elements into custom styled elements. It's easy to implement and customize.
The elements you can style are input:radio,input:checkbox, select and textarea