RadioButton.XML is ajax-driven almost codeless, reliable, accessible and semantic approach for skinning of radio buttons.
JavaScript HTML-Form encryption plugin – jCryption
JavaScript HTML-Form encryption plugin – jCryption
7 file upload plugins for web developer
7 file upload plugins for web developer
Make an Ajax Image Hosting Site With PHP and jQuery

This tutorial will show you how to make an ajax image hosting site with jQuery and PHP
Quick Ajax Register and Login

Registration and login forms play a massive part in thousands of websites now and getting this right can be a very important part in building your site. I belive that registration should be a very easy process for the user. Some websites (IMDB) make it so hard to register and validate your account. So in [...]
Offloading ALL JS Files To Google
2 Techniques For Using the Google infrastructure To Host Your JavaScript Files
Multiple file upload using jQuery and Ruby on Rails Tutorial
How to solve problems relating to uploading multiple files and how to effectively use Ruby on Rails in combination with jQuery Form plugins to allow your users to upload a single file or multiple files without refreshing the page.
Useful AJAX Form Scripts for your Website
A collection of three useful and easy to integrate AJAX form scripts – ContactForm.JS, Guestbook.XML and AJAX Hotel Reservation Form.
ContactForm.JS – AJAX Contact Form for your Web 2.0 Website

ContactForm.JS is a full of features and customizable AJAX contact form for your Web 2.0 website.
Using CSS to Style Radiobuttons and Checkboxes for Safari and Chrome
WebKit browsers (Safari, Chrome, Konqueror) have vendor-specific implementation of the CSS appearance property, as well as full support for the :checked and :disabled pseudo classes. The property is called -khtml-appearance and it’s default value is visual. When set to none, it turns the specified control(s) to a blank slate, and this, combined with :checked, :hover [...]
JavaScript-based Selectable Typefaces – Type Select
JavaScript-based Selectable Typefaces – Type Select
AJAX Hotel Reservation Form 2.1 Is Out

The new version of AJAX Hotel Reservation Form has been released with support for cool rounded corners for the input boxes, an important IE7 bugfix and improved rendering.